Rewterz Threat Alert – MurenShark APT Threat Actors aka Actor210426 – Active IOCs

Rewterz Threat Advisory – CVE-2023-20009 – Cisco ESA and Secure Email and Web Manager Vulnerability

February 16, 2023

Rewterz Threat Advisory – CVE-2023-20075 – Cisco Email Security Appliance Vulnerability

Severity

Medium

Analysis Summary

CVE-2023-20075

Cisco Email Security Appliance could allow a local authenticated attacker to execute arbitrary commands on the system, caused by improper input validation in the CLI. By sending specially-crafted operating system commands, an attacker could exploit this vulnerability to execute arbitrary commands on the underlying operating system as the CLI process user.

Impact

Command Execution

Indicators Of Compromise

CVE

CVE-2023-20075

Affected Vendors

Cisco

Affected Products

Cisco Email Security Appliance (ESA)

Remediation

Refer to Cisco Security Advisory for patch, upgrade or suggested workaround information.

Cisco Security Advisory

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.

Request a demo