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Case File

CVE-2017-2891

CRITICAL · CVSS 9.8 EPSS 2.76% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-11-07 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit remote code execution code execution

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2017-2891
Severity
CRITICAL
CVSS
9.8
EPSS
2.76%

Original NVD Description

An exploitable use-after-free vulnerability exists in the HTTP server implementation of Cesanta Mongoose 6.8. An ordinary HTTP POST request with a CGI target can cause a reuse of previously freed pointer potentially resulting in remote code execution. An attacker needs to send this HTTP request over the network to trigger this vulnerability.

Related CVEs

Other vulnerabilities affecting the same vendor(s)