Attacker Value
Very High
(1 user assessed)
Exploitability
High
(1 user assessed)
User Interaction
Unknown
Privileges Required
Unknown
Attack Vector
Unknown
1

CVE-2017-16921

Disclosure Date: December 08, 2017 •
CVE-2017-16921
Add MITRE ATT&CK tactics and techniques that apply to this CVE.
Initial Access
Techniques
Validation
Validated

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.

Add Assessment

1
Ratings
  • Attacker Value
    Very High
  • Exploitability
    High
Common in enterpriseVulnerable in default configurationAuthenticated
Technical Analysis

Patch : update to OTRS 6.0.2 to fix this specific issue but updating to 6.0.32 is recommended.

Log in to Add Reply
CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
n/a
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • debian,
  • otrs

Products

  • debian linux 7.0,
  • debian linux 8.0,
  • debian linux 9.0,
  • otrs 4.0.1,
  • otrs 4.0.10,
  • otrs 4.0.11,
  • otrs 4.0.12,
  • otrs 4.0.13,
  • otrs 4.0.14,
  • otrs 4.0.15,
  • otrs 4.0.16,
  • otrs 4.0.17,
  • otrs 4.0.18,
  • otrs 4.0.19,
  • otrs 4.0.2,
  • otrs 4.0.20,
  • otrs 4.0.21,
  • otrs 4.0.22,
  • otrs 4.0.23,
  • otrs 4.0.24,
  • otrs 4.0.25,
  • otrs 4.0.26,
  • otrs 4.0.3,
  • otrs 4.0.4,
  • otrs 4.0.5,
  • otrs 4.0.6,
  • otrs 4.0.7,
  • otrs 4.0.8,
  • otrs 4.0.9,
  • otrs 5.0.0,
  • otrs 5.0.1,
  • otrs 5.0.10,
  • otrs 5.0.11,
  • otrs 5.0.12,
  • otrs 5.0.13,
  • otrs 5.0.14,
  • otrs 5.0.15,
  • otrs 5.0.16,
  • otrs 5.0.17,
  • otrs 5.0.18,
  • otrs 5.0.19,
  • otrs 5.0.2,
  • otrs 5.0.20,
  • otrs 5.0.21,
  • otrs 5.0.22,
  • otrs 5.0.23,
  • otrs 5.0.24,
  • otrs 5.0.3,
  • otrs 5.0.4,
  • otrs 5.0.5,
  • otrs 5.0.6,
  • otrs 5.0.7,
  • otrs 5.0.8,
  • otrs 5.0.9,
  • otrs 6.0.0,
  • otrs 6.0.1
Technical Analysis