How severe is CVE-2013-7239?

CVE-2013-7239 has a CVSS 2.0 base score of 4.8, rated medium severity.

Is CVE-2013-7239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-7239?

CVE-2013-7239 primarily affects Memcached. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-7239?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2013-7239 published?

CVE-2013-7239 was published on 2014-01-13 and last updated on 2026-06-17.

CVE-2013-7239

CVE-2013-7239 is a medium-severity vulnerability in Memcached with a CVSS 2.0 base score of 4.8. 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: Medium (CVSS 2.0 base score 4.8)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Memcached
Published: 2014-01-13
Last modified: 2026-06-17

Description

memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials.

Frequently asked questions

What is CVE-2013-7239?: memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials.
How severe is CVE-2013-7239?: CVE-2013-7239 has a CVSS 2.0 base score of 4.8, rated medium severity.
Is CVE-2013-7239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-7239?: CVE-2013-7239 primarily affects Memcached. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-7239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-7239 published?: CVE-2013-7239 was published on 2014-01-13 and last updated on 2026-06-17.

References

Affected products (17)

cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.2:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.3:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.4:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.5:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.6:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.8:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.9:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.10:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.11:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.12:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.13:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.14:*:*:*:*:*:*:*
cpe:2.3:a:memcached:memcached:1.4.15:*:*:*:*:*:*:*

More vulnerabilities in Memcached

CVE-2023-46853 — Critical (CVSS 9.8): In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used…
CVE-2016-8705 — Critical (CVSS 9.8): Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple…
CVE-2016-8704 — Critical (CVSS 9.8): An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing…
CVE-2026-47784 — High (CVSS 8.1): In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because…
CVE-2026-47783 — High (CVSS 8.1): In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a…
CVE-2016-8706 — High (CVSS 8.1): An integer overflow in process_bin_sasl_auth function in Memcached, which is responsible for authentication commands of…

All CVEs affecting Memcached →

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 →