CVE-2020-12105

CVSS V2 Medium 4.3 CVSS V3 Medium 5.9
Description
OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks.
Overview
  • CVE ID
  • CVE-2020-12105
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-23T17:15:12
  • Last Modified Date
  • 2022-05-03T14:21:44
Weakness Enumerations
CWE URL
CWE-755 http://cwe.mitre.org/data/definitions/755.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:* 1 OR 8.08
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.9
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.2
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://gitlab.com/openconnect/openconnect/-/merge_requests/96 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00039.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202006-15 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-12105
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12105
History
Created Old Value New Value Data Type Notes
2022-05-08 06:19:58 Added to TrackCVE
2022-12-04 15:33:38 2020-04-23T17:15Z 2020-04-23T17:15:12 CVE Published Date updated
2022-12-04 15:33:38 2022-05-03T14:21:44 CVE Modified Date updated
2022-12-04 15:33:38 Analyzed Vulnerability Status updated