Security Affairs

FEBRUARY 1, 2024

Mandiant spotted new malware used by a China-linked threat actor UNC5221 targeting Ivanti Connect Secure VPN and Policy Secure devices. Mandiant researchers discovered new malware employed by a China-linked APT group known as UNC5221 and other threat groups targeting Ivanti Connect Secure VPN and Policy Secure devices.

VPN 105

VPN Malware Authentication Hacking 105

Security Affairs

DECEMBER 2, 2021

Russia’s internet watchdog, ‘Roskomnadzor’, has announced the ban of other VPN products, 15 VPN services are now illegal in Russia. Russian communications watchdog Roskomnadzor tightens the control over the Internet and blocked access to six more VPN services. SecurityAffairs – hacking, VPN services).

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VPN Internet Internet Media 115

Security Affairs

SEPTEMBER 29, 2021

CISA and the NSA agencies have published guidance for securely using virtual private network (VPN) solutions. Cybersecurity and Infrastructure Security Agency (CISA) and the National Security Agency (NSA) have released guidance for increasing the security of virtual private network (VPN) solutions.

VPN 125

VPN Government Firmware Authentication 125

Security Affairs

APRIL 20, 2021

At least one China-linked APT group exploited a new zero-day flaw in Pulse Secure VPN equipment to break into the networks of US defense contractors. The statement reveals that one of the two hacking groups was a China-linked cyber espionage group. “A vulnerability was discovered under Pulse Connect Secure (PCS).

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VPN Hacking Authentication Government 114

Security Affairs

SEPTEMBER 8, 2023

CISA warned that nation-state actors are exploiting flaws in Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus. Cybersecurity and Infrastructure Security Agency (CISA) warned that nation-state actors are exploiting security vulnerabilities in Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus.

VPN 124

VPN Firewall Accountability Cybersecurity 124

Security Affairs

FEBRUARY 9, 2024

Fortinet warns that the recently discovered critical remote code execution flaw in FortiOS SSL VPN, tracked CVE-2024-21762, is being actively exploited. The vendor recommends to disable SSL VPN as a workaround. “Workaround : disable SSL VPN (disable webmode is NOT a valid workaround). ” reads the advisory.

VPN 101

VPN Firmware Malware Government 101

Security Affairs

AUGUST 4, 2022

Cisco fixes critical remote code execution vulnerability, tracked as CVE-2022-20842, impacting Small Business VPN routers. Cisco addressed a critical security vulnerability, tracked as CVE-2022-20842, impacting Small Business VPN routers. SecurityAffairs – hacking, Small Business VPN routers). Pierluigi Paganini.

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Small Business VPN Hacking Information Security 125

Security Affairs

APRIL 6, 2024

. “A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.”

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Small Business VPN Wireless Software 132

Security Affairs

JANUARY 31, 2024

Threat actors are exploiting recently disclosed zero-day flaws in Ivanti Connect Secure (ICS) VPN devices to deliver KrustyLoader. ” Sliver is a post-exploitation framework that is gaining notoriety in the hacking underground as an alternative to the Cobalt Strike framework. ” concludes the report.

VPN 90

VPN Malware Authentication Small Business 90

Security Affairs

DECEMBER 12, 2022

Fortinet fixed an actively exploited FortiOS SSL-VPN flaw that could allow a remote, unauthenticated attacker to execute arbitrary code on devices. “A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN may allow a remote unauthenticated attacker to execute arbitrary code or commands via specifically crafted requests.”

VPN 107

VPN Hacking Cybersecurity Information Security 107

Security Affairs

MAY 28, 2021

Researchers from FireEye warn that China-linked APT groups continue to target Pulse Secure VPN devices to compromise networks. In all the intrusions, the attackers targeted Pulse Secure VPN appliances in the breached networks. and Europe.” ” reads the report published by FireEye. and Europe.”

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VPN Government Malware Hacking 130

Security Affairs

JANUARY 16, 2024

Experts warn that recently disclosed Ivanti Connect Secure VPN and Policy Secure vulnerabilities are massively exploited in the wild. Through forensic analysis of the memory sample, Volexity was able to recreate two proof-of-concept exploits that allowed full unauthenticated command execution on the ICS VPN appliance.

VPN 84

VPN Authentication Small Business Telecommunications 84

Security Affairs

AUGUST 4, 2021

Cisco fixed critical, high severity pre-auth security vulnerabilities impacting multiple Small Business VPN routers. Cisco addressed critical and high severity pre-auth security vulnerabilities that impact multiple Small Business VPN routers. SecurityAffairs – hacking, VPN routers). Pierluigi Paganini.

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VPN Small Business Hacking Internet 123

Security Affairs

MAY 25, 2023

Zyxel fixed two critical flaws in multiple firewall and VPN products that can lead to remote code execution or cause a DoS condition. Zyxel addressed two critical buffer overflow vulnerabilities, tracked as CVE-2023-33009 and CVE-2023-33010 , that affect several of its firewall and VPN products. Patch 2 VPN ZLD V4.30

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Firewall VPN Authentication Hacking 94

Security Affairs

FEBRUARY 1, 2024

Ivanti expects the threat actor to change their behavior and we expect a sharp increase in exploitation once this information is public – similar to what we observed on 11 January following the 10 January disclosure.” Ivanti will update this knowledge base article as more information becomes available.” reads the advisory. “Be

VPN 101

VPN Authentication Software Malware 101

Security Affairs

DECEMBER 22, 2020

A joint operation conducted by law European enforcement agencies resulted in the seizure of the infrastructure of three bulletproof VPN services. ” The three VPN bulletproof services were hosted at insorg.org , safe-inet.com , and safe-inet.net, their home page currently displays a law enforcement banner. day to $190/year.

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VPN Cybercrime Advertising Accountability 116

Security Affairs

APRIL 28, 2024

From March 18, 2024, to April 16, 2024, Duo Security and Cisco Talos observed large-scale brute-force attacks against a variety of targets, including VPN services, web application authentication interfaces and SSH services. ” continues the advisory.

VPN 108

VPN Accountability Firewall Data breaches 108

Security Affairs

JANUARY 20, 2023

An alleged Chinese threat actor was observed exploiting the recently patched CVE-2022-42475 vulnerability in FortiOS SSL-VPN. Researchers from Mandiant reported that suspected Chinese threat actors exploited the recently patched CVE-2022-42475 vulnerability in FortiOS SSL-VPN as a zero-day.

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VPN Firewall Internet Internet 97

Security Affairs

AUGUST 10, 2022

Upon achieving an MFA push acceptance, the attacker had access to the VPN in the context of the targeted user. “Initial access to the Cisco VPN was achieved via the successful compromise of a Cisco employee’s personal Google account. SecurityAffairs – hacking, Yanluowang ransomware). Pierluigi Paganini.

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Ransomware Hacking VPN Phishing 124

Security Affairs

JUNE 17, 2021

Iran-linked Ferocious Kitten APT group used instant messaging apps and VPN software like Telegram and Psiphon to deliver Windows RAT and spy on targets’ devices. The cyber spies are stealing sensitive information from the victims since at least 2015, they targeted the two platforms because of their popularity in Iran.

VPN 123

VPN Internet Internet Software 123

Security Affairs

JUNE 19, 2021

North Korea-linked APT group Kimsuky allegedly breached South Korea’s atomic research agency KAERI by exploiting a VPN vulnerability. A KAERI spokesperson revealed that threat actors exploited a vulnerability in a virtual private network (VPN) server to gain access to the network of the institute. ” reported The Record.

Hacking 140

Hacking VPN Internet Internet 140

Security Affairs

JUNE 24, 2021

Networking equipment giant Zyxel warns customers of a series of attacks that have been targeting some of its enterprise firewall and VPN devices. Networking equipment vendor Zyxel warned its customers of a series of attacks that have been targeting some of its enterprise firewall and VPN server solutions. Pierluigi Paganini.

VPN 109

VPN Firewall Firmware Authentication 109

Security Affairs

SEPTEMBER 8, 2023

An unauthenticated, remote attacker can exploit the vulnerability to conduct a brute force attack in an attempt to identify valid username and password combinations or an authenticated, remote attacker to establish a clientless SSL VPN session with an unauthorized user. ” reads the advisory published by the IT giant. or earlier).

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Ransomware VPN Authentication Hacking 134

Security Affairs

AUGUST 6, 2021

Security firm Ivanti addressed a critical vulnerability in its Pulse Connect Secure VPN appliances that could be exploited to execute arbitrary code with root privileges. IT firm Ivanti released security updates to address multiple vulnerabilities in its Pulse Connect Secure VPN appliances.

VPN 105

VPN Authentication Hacking Information Security 105

Security Affairs

OCTOBER 16, 2020

The Tripwire VERT security team spotted almost 800,000 SonicWall VPN appliances exposed online that are vulnerable to the CVE-2020-5135 RCE flaw. Security experts from the Tripwire VERT security team have discovered 795,357 SonicWall VPN appliances that were exposed online that are vulnerable to the CVE-2020-5135 RCE flaw.

VPN 122

VPN Firewall Advertising Internet 122

Security Affairs

APRIL 6, 2020

DarkHotel nation-state actor is exploiting a VPN zero -day to breach Chinese government agencies in Beijing and Shanghai. Chinese security-firm Qihoo 360 has uncovered a hacking campaign conducted by a DarkHotel APT group (APT-C-06) aimed at Chinese government agencies in Beijing and Shanghai. ” continues the researchers.

VPN 127

VPN Government Advertising Firmware 127

Security Affairs

APRIL 12, 2021

Pulse Secure VPN users were not able to login due to the expiration of a code signing certificate used to digitally sign and verify software components. Pulse Secure VPN users were not able to login after a code signing certificate used to digitally sign and verify software components has expired. Pierluigi Paganini.

VPN 104

VPN Software Hacking Information Security 104

Security Affairs

FEBRUARY 12, 2024

Public Wi-Fi users are prime targets for MITM attacks because the information they send is often not encrypted, meaning it’s easy for hackers to access your data. Also, consider using a Virtual Private Network (VPN) to encrypt your data and make it unreadable to hackers.

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DNS VPN Encryption Passwords 122

Security Affairs

JANUARY 12, 2023

Recently patched Fortinet FortiOS SSL-VPN zero-day exploited in attacks against government organizations and government-related targets. Fortinet researchers reported how threat actors exploited the recently patched FortiOS SSL-VPN vulnerability ( CVE-2022-42475 ) in attacks against government organizations and government-related targets.

VPN 88

VPN Malware Engineering Government 88

Security Affairs

FEBRUARY 4, 2021

Cisco addressed multiple pre-auth remote code execution (RCE) flaws in small business VPN routers that allow executing arbitrary code as root. Cisco has fixed several pre-auth remote code execution (RCE) issues in multiple small business VPN routers. If you want to receive the weekly Security Affairs Newsletter for free subscribe here.

VPN 99

VPN Small Business Wireless Firmware 99

Security Affairs

MAY 25, 2021

A flaw in Pulse Connect Secure VPN could allow an authenticated remote attacker to execute arbitrary code with elevated privileges. Ivanti addressed a high severity Buffer Overflow vulnerability in Secure VPN appliances that could allow a remote authenticated attacker to execute arbitrary code with elevated privileges.

VPN 98

VPN Authentication Hacking Software 98

Security Affairs

APRIL 7, 2021

Attackers are actively exploiting the CVE-2018-13379 flaw in Fortinet VPN to deploy the Cring ransomware to organizations in the industrial sector. “The primary causes of the incident include the use of an outdated and vulnerable firmware version on the Fortigate VPN server (version 6.0.2 ” continues Kaspersky.

VPN 96

VPN Ransomware Antivirus Firmware 96

Security Affairs

JANUARY 1, 2021

Impacted devices include Unified Security Gateway (USG), ATP, USG FLEX and VPN firewalls products. 2020 VPN series running firmware ZLD V4.60 They could also intercept traffic or create VPN accounts to gain access to the network behind the device. SecurityAffairs – hacking, Zyxel). Patch1 in Dec. Patch1 in Dec.

Firewall 139

Firewall VPN Firmware Passwords 139

Security Affairs

JANUARY 18, 2022

Europol this week announced the shutdown of VPNLab, a VPN service that is very popular in the cybercrime ecosystem. An international operation conducted by law enforcement bodies from 10 countries took down VPNLab.net, a VPN service provider that is very popular in the cybercrime ecosystem. SecurityAffairs – hacking, VPNLab).

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VPN Cybercrime Ransomware Advertising 82

Security Affairs

NOVEMBER 29, 2022

Initiate packet captures to capture other sensitive system information. The sensitive system information, system configurations, and network details might be further distributed over the darkweb. SecurityAffairs – hacking, Fortinet). ” Follow me on Twitter: @securityaffairs and Facebook and Mastodon. Pierluigi Paganini.

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VPN Firewall Authentication Internet 100

Security Affairs

APRIL 6, 2024

We are now scanning/reporting Ivanti Connect Secure instances vulnerable to CVE-2024-21894 (heap overflow potentially leading to RCE) & others described in [link] ~16 500 likely vulnerable (~4.6K Follow me on Twitter: @securityaffairs and Facebook and Mastodon Pierluigi Paganini ( SecurityAffairs – hacking, RCE)

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VPN Internet Internet Hacking 113

Security Affairs

SEPTEMBER 2, 2022

Researchers discovered that the infrastructure used in Cisco hack was the same used to target a Workforce Management Solution firm. Researchers from cybersecurity firm eSentire discovered that the attack infrastructure used in recent Cisco hack was also used to attack a top Workforce Management corporation in in April 2022.

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Hacking VPN Ransomware Authentication 96