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Cisco warns of large-scale brute-force attacks against VPN and SSH services

Security Affairs

Cisco Talos warns of large-scale brute-force attacks against a variety of targets, including VPN services, web application authentication interfaces and SSH services.

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Akira ransomware gang spotted targeting Cisco VPN products to hack organizations

Security Affairs

The Akira ransomware gang targets Cisco VPN products to gain initial access to corporate networks and steal their data. The group now is targeting Cisco VPN products to gain initial access to corporate networks. Sophos researchers observed in May the threat actor using compromised Cisco VPN accounts to breach target networks.

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Nation-state actors exploit Fortinet FortiOS SSL-VPN and Zoho ManageEngine ServiceDesk Plus, CISA warns

Security Affairs

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.

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Experts warn of mass exploitation of Ivanti Connect Secure VPN flaws

Security Affairs

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.

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APT hacked a US municipal government via an unpatched Fortinet VPN

Security Affairs

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.

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Threat actors exploit Ivanti VPN bugs to deploy KrustyLoader Malware

Security Affairs

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.”

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Expert found a secret backdoor in Zyxel firewall and VPN

Security Affairs

Zyxel addressed a critical flaw in its firmware, tracked as CVE-2020-29583 , related to the presence of a hardcoded undocumented secret account. The Taiwanese vendor Zyxel has addressed a critical vulnerability in its firmware related to the presence of a hardcoded undocumented secret account. “Firmware version 4.60 patch 0).

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