Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2022-25235

Disclosure Date: February 16, 2022
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.

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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

  • debian,
  • fedoraproject,
  • libexpat project,
  • oracle,
  • siemens

Products

  • debian linux 10.0,
  • debian linux 11.0,
  • fedora 34,
  • fedora 35,
  • http server 12.2.1.3.0,
  • http server 12.2.1.4.0,
  • libexpat,
  • sinema remote connect server,
  • zfs storage appliance kit 8.8
Technical Analysis