Attacker Value
Unknown
(1 user assessed)
Exploitability
Unknown
(1 user assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
1

CVE-2020-25494

Disclosure Date: December 18, 2020
Exploited in the Wild
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Xinuos (formerly SCO) Openserver v5 and v6 allows attackers to execute arbitrary commands via shell metacharacters in outputform or toclevels parameter to cgi-bin/printbook.

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1
Technical Analysis

This is now being exploited in the wild by the Necro botnet as was reported at https://securityaffairs.co/wordpress/123275/cyber-crime/necro-botnet-dvrs.html

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • xinuos

Products

  • openserver 5.0.7,
  • openserver 6.0

Exploited in the Wild

Reported by:

Additional Info

Technical Analysis