CVE-2023-20075

MEDIUM

Cisco Secure Email Gateway - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-20075. PoCs published by ly1g3.

AI-analyzed exploit summary This repository provides a technical writeup detailing a local privilege escalation (LPE) vulnerability in Cisco AsyncOS 14.2.0 (ESA). The exploit leverages command injection in the `logcollector` CLI tool and a SUID binary (`runas`) to escalate from CLI access to root privileges.

Description

Vulnerability in the CLI of Cisco Secure Email Gateway could allow an authenticated, remote attacker to execute arbitrary commands. These vulnerability is due to improper input validation in the CLI. An attacker could exploit this vulnerability by injecting operating system commands into a legitimate command. A successful exploit could allow the attacker to escape the restricted command prompt and execute arbitrary commands on the underlying operating system. To successfully exploit this vulnerability, an attacker would need valid Administrator credentials.

Exploits (1)

nomisec WRITEUP 1 stars
by ly1g3 · poc
https://github.com/ly1g3/cisco-CVE-2023-20075

This repository provides a technical writeup detailing a local privilege escalation (LPE) vulnerability in Cisco AsyncOS 14.2.0 (ESA). The exploit leverages command injection in the `logcollector` CLI tool and a SUID binary (`runas`) to escalate from CLI access to root privileges.

Classification
Writeup 98%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: Cisco AsyncOS 14.2.0 (Cisco Secure Email - ESA)
Auth required
Prerequisites: Authenticated CLI access to the vulnerable Cisco ESA device · Access to the `logcollector` command and SUID binary `runas`
mistral-large-3 · analyzed Jul 08, 2026 Full analysis →

Scores

CVSS v3 6.0
EPSS 0.0036
EPSS Percentile 28.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-77 CWE-78
Status published
Products (1)
cisco/email_security_appliance 12.5.0 - 12.5.3-041
Published Mar 01, 2023
Tracked Since Feb 18, 2026