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Case File

CVE-2017-16921

HIGH · CVSS 8.8 EPSS 19.90% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2017-12-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

External Security References
packetstormsecurity.com ↗ exploit-db.com ↗

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

CVE
CVE-2017-16921
Severity
HIGH
CVSS
8.8
EPSS
19.90%

Original NVD Description

In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.