How severe is CVE-2013-6439?

CVE-2013-6439 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-6439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6439?

CVE-2013-6439 primarily affects Redhat Subscription Asset Manager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-6439 published?

CVE-2013-6439 was published on 2013-12-23 and last updated on 2026-06-17.

CVE-2013-6439

CVE-2013-6439 is a critical-severity vulnerability in Redhat Subscription Asset Manager with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Redhat Subscription Asset Manager
Published: 2013-12-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2013-6439?: CVE-2013-6439 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-6439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6439?: CVE-2013-6439 primarily affects Redhat Subscription Asset Manager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-6439 published?: CVE-2013-6439 was published on 2013-12-23 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:redhat:subscription_asset_manager:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:subscription_asset_manager:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:subscription_asset_manager:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:subscription_asset_manager:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:subscription_asset_manager:1.3.0:*:*:*:*:*:*:*

More vulnerabilities in Redhat Subscription Asset Manager

CVE-2015-7501 — Critical (CVSS 9.8): Red Hat JBoss A-MQ 6.x; BPM Suite (BPMS) 6.x; BRMS 6.x and 5.x; Data Grid (JDG) 6.x; Data Virtualization (JDV) 6.x and…
CVE-2012-6685 — High (CVSS 7.5): Nokogiri before 1.5.4 is vulnerable to XXE attacks
CVE-2014-0130 — High (CVSS 7.5): Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the implicit-render implementation…
CVE-2014-0026 — Medium (CVSS 6.5): katello-headpin is vulnerable to CSRF in REST API
CVE-2013-6461 — Medium (CVSS 6.5): Nokogiri gem 1.5.x and 1.6.x has DoS while parsing XML entities by failing to apply limits
CVE-2013-6460 — Medium (CVSS 6.5): Nokogiri gem 1.5.x has Denial of Service via infinite loop when parsing XML documents

All CVEs affecting Redhat Subscription Asset Manager →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →