CVE-2012-6137

rhn-migrate-classic-to-rhsm tool in Red Hat subscription-manager does not verify the Red Hat Network Classic server's X.509 certificate when migrating to a Certificate-based Red Hat Network, which allows remote man-in-the-middle attackers to obtain sensitive information such as user credentials.

Published: 2013-05-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-6137 is rated Low Risk (31.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.19%). 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-2012-6137

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 2025-12-28 0.25% 0.19% -0.06%
2 2025-12-27 0.19% 0.25% +0.06%
3 2025-11-03 — 0.19% —

Full EPSS history (18 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6137

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-6137

OS Trackers for CVE-2012-6137

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2012-6137

Affected software / configurations for CVE-2012-6137

Vendor Product Version Raw CPE
redhat enterprise_linux 5 cpe:2.3:o:redhat:enterprise_linux:5:*:server:*:*:*:*:*
redhat enterprise_linux_desktop 5.0 cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:client:*:*:*:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_eus 5.9.z cpe:2.3:o:redhat:enterprise_linux_eus:5.9.z:*:server:*:*:*:*:*
redhat enterprise_linux_hpc_node 6 cpe:2.3:o:redhat:enterprise_linux_hpc_node:6:*:*:*:*:*:*:*
redhat enterprise_linux_long_life 5.9 cpe:2.3:o:redhat:enterprise_linux_long_life:5.9:*:server:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server_aus 6.4 cpe:2.3:o:redhat:enterprise_linux_server_aus:6.4:*:*:*:*:*:*:*
redhat enterprise_linux_server_eus 6.4.z cpe:2.3:o:redhat:enterprise_linux_server_eus:6.4.z:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

References for CVE-2012-6137

cvelogic Threat Intelligence