CVE-2011-5242

tmhOAuth before 0.61 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Published: 2012-11-06 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-5242 is rated Low Risk (37.5/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.52%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-5242

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.13% 0.52% +0.39%
2 2025-03-30 0.16% 0.13% -0.03%
3 2025-03-29 0.16%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5242

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2011-5242

Affected software / configurations for CVE-2011-5242

Vendor Product Version Raw CPE
themattharris tmhoauth <= 0.60 cpe:2.3:a:themattharris:tmhoauth:*:*:*:*:*:*:*:*
themattharris tmhoauth 0.2 cpe:2.3:a:themattharris:tmhoauth:0.2:*:*:*:*:*:*:*
themattharris tmhoauth 0.3 cpe:2.3:a:themattharris:tmhoauth:0.3:*:*:*:*:*:*:*
themattharris tmhoauth 0.4 cpe:2.3:a:themattharris:tmhoauth:0.4:*:*:*:*:*:*:*
themattharris tmhoauth 0.5 cpe:2.3:a:themattharris:tmhoauth:0.5:*:*:*:*:*:*:*
themattharris tmhoauth 0.11 cpe:2.3:a:themattharris:tmhoauth:0.11:*:*:*:*:*:*:*
themattharris tmhoauth 0.12 cpe:2.3:a:themattharris:tmhoauth:0.12:*:*:*:*:*:*:*
themattharris tmhoauth 0.13 cpe:2.3:a:themattharris:tmhoauth:0.13:*:*:*:*:*:*:*
themattharris tmhoauth 0.14 cpe:2.3:a:themattharris:tmhoauth:0.14:*:*:*:*:*:*:*
themattharris tmhoauth 0.51 cpe:2.3:a:themattharris:tmhoauth:0.51:*:*:*:*:*:*:*
themattharris tmhoauth 0.52 cpe:2.3:a:themattharris:tmhoauth:0.52:*:*:*:*:*:*:*
themattharris tmhoauth 0.53 cpe:2.3:a:themattharris:tmhoauth:0.53:*:*:*:*:*:*:*
themattharris tmhoauth 0.54 cpe:2.3:a:themattharris:tmhoauth:0.54:*:*:*:*:*:*:*
themattharris tmhoauth 0.55 cpe:2.3:a:themattharris:tmhoauth:0.55:*:*:*:*:*:*:*
themattharris tmhoauth 0.56 cpe:2.3:a:themattharris:tmhoauth:0.56:*:*:*:*:*:*:*
themattharris tmhoauth 0.57 cpe:2.3:a:themattharris:tmhoauth:0.57:*:*:*:*:*:*:*
themattharris tmhoauth 0.58 cpe:2.3:a:themattharris:tmhoauth:0.58:*:*:*:*:*:*:*

References for CVE-2011-5242

cvelogic Threat Intelligence