CVE-2013-6439

Candlepin in Red Hat Subscription Asset Manager 1.0 through 1.3 uses a weak authentication scheme when the configuration file does not specify a scheme, which has unspecified impact and attack vectors.

Published: 2013-12-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6439 is rated Moderate Risk (63.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.57%). EPSS rose +1.16% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

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-2013-6439

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 0.41% 1.57% +1.16%
2 2025-03-30 0.51% 0.41% -0.10%
3 2025-03-29 — 0.51% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6439

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2013-6439

OS Trackers for CVE-2013-6439

vendor priority summary link
redhat high — https://access.redhat.com/security/cve/CVE-2013-6439

Affected software / configurations for CVE-2013-6439

Vendor Product Version Raw CPE
redhat subscription_asset_manager 1.0.0 cpe:2.3:a:redhat:subscription_asset_manager:1.0.0:*:*:*:*:*:*:*
redhat subscription_asset_manager 1.1.0 cpe:2.3:a:redhat:subscription_asset_manager:1.1.0:*:*:*:*:*:*:*
redhat subscription_asset_manager 1.2.0 cpe:2.3:a:redhat:subscription_asset_manager:1.2.0:*:*:*:*:*:*:*
redhat subscription_asset_manager 1.2.1 cpe:2.3:a:redhat:subscription_asset_manager:1.2.1:*:*:*:*:*:*:*
redhat subscription_asset_manager 1.3.0 cpe:2.3:a:redhat:subscription_asset_manager:1.3.0:*:*:*:*:*:*:*

References for CVE-2013-6439

cvelogic Threat Intelligence