Security Affairs

MAY 24, 2024

In this advisory, I aim to explore how implementing a specific security technological combination (TLS and DDNS) negatively influences the overall security, inadvertently creating opportunities for attackers to exploit weaknesses on a massive scale. This is typically achieved through a combination of Public Key Infrastructure (using X.509

DNS 111

DNS Manufacturing Firewall Internet 111

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 124

VPN Government Firmware Authentication 124

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 122

VPN Firewall Accountability Cybersecurity 122

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 103

VPN Malware Authentication Hacking 103

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). ” reads the advisory.

Small Business 123

Small Business VPN Hacking Information Security 123

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 100

VPN Firmware Malware Government 100

Malwarebytes

JANUARY 4, 2023

Synology has issued an advisory about a vulnerability that allows remote attackers to execute arbitrary commands through a susceptible version of Synology VPN Plus Server. VPN Plus Server. VPN Plus Server allows users to turn their Synology Router into a Virtual Rrivate Network (VPN) server. 0534 and 1.4.4-0635

VPN 93

VPN Internet Internet Engineering 93

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 82

VPN Authentication Small Business Telecommunications 82

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). ” reads the advisory.

VPN 121

VPN Small Business Hacking Internet 121

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 106

VPN Hacking Cybersecurity Information Security 106

Security Affairs

NOVEMBER 27, 2020

The global impact of the Fortinet 50.000 VPN leak posted online, with many countries impacted, including Portugal. A compilation of one-line exploit tracked as CVE-2018-13379 and that could be used to steal VPN credentials from nearly 50.000 Fortinet VPN devices has posted online. Solutions Upgrade to FortiOS 5.4.13, 5.6.8,

VPN 138

VPN Banking Passwords Malware 138

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

Firewall 94

Firewall VPN Authentication Hacking 94

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.”

VPN 128

VPN Government Malware Hacking 128

Security Affairs

JANUARY 31, 2024

Threat actors are exploiting recently disclosed zero-day flaws in Ivanti Connect Secure (ICS) VPN devices to deliver KrustyLoader. The experts published the Yara rule for the detection of similar KrustyLoader samples. KrustyLoader – as I dubbed it – performs specific checks in order to run only if conditions are met.”

VPN 88

VPN Malware Authentication Small Business 88

Security Affairs

SEPTEMBER 25, 2020

According to SAM Seamless Network , over 200,000 businesses are using Fortigate VPN with default settings, exposing them to the risk of a hack. In response to the spreading of Coronavirus across the world, many organizations deployed VPN solutions, including Fortigate VPN, to allow their employers to work from their homes.

VPN 111

VPN Hacking IoT Advertising 111

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.”

Small Business 131

Small Business VPN Wireless Software 131

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 99

VPN Authentication Software Malware 99

Security Affairs

OCTOBER 12, 2020

US government networks are under attack, threat actors chained VPN and Windows Zerologon flaws to gain unauthorized access to elections support systems. The joint alert includes information on the vulnerabilities exploited by the hackers and recommended mitigation actions for affected organizations. ” continues the alert.

VPN 139

VPN Government Authentication Advertising 139

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.

VPN 114

VPN Cybercrime Advertising Accountability 114

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.

VPN 97

VPN Firewall Internet Internet 97

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 121

VPN Internet Internet Software 121

Security Affairs

MAY 27, 2021

The FBI revealed that foreign hackers compromised the network of a local US municipal government by exploiting flaws in an unpatched Fortinet VPN. The Federal Bureau of Investigation (FBI) reported that an APT group had breached the network of a local US municipal government by exploiting vulnerabilities in an unpatched Fortinet VPN.

VPN 118

VPN Government Hacking Accountability 118

Security Affairs

OCTOBER 20, 2021

Zerodium is looking to pay for zero-day exploits for vulnerabilities in the Windows clients of three virtual private network (VPN) service providers, ExpressVPN, NordVPN, and Surfshark. Zerodium is searching for information disclosure, IP address leak, or remote code execution in the Windows VPN software of the three service providers.

VPN 97

VPN Software Mobile Hacking 97

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 120

VPN Firewall Advertising Internet 120

Security Affairs

JULY 21, 2020

vpnMentor experts reported that seven Virtual Private Network (VPN) recently left 1.2 Security experts from vpnMentor have discovered a group of seven free VPN (virtual private network) apps that left their server unsecured online exposing private user data for anyone to see. . The server was secured on July 15 th.

VPN 82

VPN Advertising Passwords Internet 82

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

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 108

VPN Firewall Firmware Authentication 108

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 Boulevard

NOVEMBER 30, 2023

Permalink The post DEF CON 31 – Maxime Clementz’ ‘Defeating VPN Always On’ appeared first on Security Boulevard. Originating from the conference events at Caesars Forum, Flamingo, Harrah’s and Linq in Las Vegas, Nevada ; via the organizations YouTube channel.

VPN 52

VPN Architecture Education Information Security 52

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 103

VPN Software Hacking Information Security 103

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 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. In all the intrusions, the attackers targeted Pulse Secure VPN appliances in the breached networks. “A vulnerability was discovered under Pulse Connect Secure (PCS).

VPN 112

VPN Hacking Authentication Government 112

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 94

VPN Ransomware Antivirus Firmware 94

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 97

VPN Small Business Wireless Firmware 97

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 126

VPN Government Advertising Firmware 126

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.

DNS 121

DNS VPN Encryption Passwords 121

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. Patch1 in Dec. 2020 USG series running firmware ZLD V4.60 Patch1 in Dec.

Firewall 138

Firewall VPN Firmware Passwords 138