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Vulnerability record · CVE-2013-7239 · published 13 January 2014

CVE-2013-7239: Memcached improper authentication vulnerability

MMemcached · Memcached

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.

4.8 CVSS 2.0 Medium EPSS 1.2% · top 33.5% CWE-287 · Improper authentication
4.8CVSS 2.0 base score
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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.

AV:A/AC:L/Au:N/C:P/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://seclists.org/oss-sec/2013/q4/572
http://secunia.com/advisories/56183 Vendor Advisory
http://www.debian.org/security/2014/dsa-2832
http://www.securityfocus.com/bid/64559
http://www.ubuntu.com/usn/USN-2080-1
https://code.google.com/p/memcached/wiki/ReleaseNotes1417 Patch
http://seclists.org/oss-sec/2013/q4/572
http://secunia.com/advisories/56183 Vendor Advisory
http://www.debian.org/security/2014/dsa-2832
http://www.securityfocus.com/bid/64559
http://www.ubuntu.com/usn/USN-2080-1
https://code.google.com/p/memcached/wiki/ReleaseNotes1417 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-46853Memcached vulnerabilityIn Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.EPSS 0.76%9.8CVE-2016-8704Memcached integer overflow vulnerabilityAn integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binar…EPSS 23%9.8CVE-2016-8705Memcached integer overflow vulnerabilityMultiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary pro…EPSS 20%8.1CVE-2026-47783Memcached vulnerabilityIn memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid…EPSS 1.3%8.1CVE-2026-47784Memcached vulnerabilityIn memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_u…EPSS 0.55%8.1CVE-2016-8706Memcached binary protocol SASL auth integer overflow leads to RCEAn integer overflow in the process_bin_sasl_auth function, which handles authentication commands in the Memcached binary protocol, can cause a heap o…EPSS 46%analysed7.5CVE-2023-46852Memcached classic buffer overflow vulnerabilityIn Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substr…EPSS 0.78%7.5CVE-2022-48571Memcached uncontrolled resource consumption vulnerabilitymemcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2013-7239), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.