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Vulnerability record · CVE-2013-3571 · published 8 May 2014

CVE-2013-3571: Dest-unreach socat vulnerability

DDest Unreach · Socat

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

2.6 CVSS 2.0 Low EPSS 2.1% · top 19.4%
2.6CVSS 2.0 base score
2.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

Description

socat 1.2.0.0 before 1.7.2.2 and 2.0.0-b1 before 2.0.0-b6, when used for a listen type address and the fork option is enabled, allows remote attackers to cause a denial of service (file descriptor consumption) via multiple request that are refused based on the (1) sourceport, (2) lowport, (3) range, or (4) tcpwrap restrictions.

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

Affected products

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

References

LinkTags
http://www.dest-unreach.org/socat/contrib/socat-secadv4.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:169
http://www.openwall.com/lists/oss-security/2013/05/26/1
http://www.dest-unreach.org/socat/contrib/socat-secadv4.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:169
http://www.openwall.com/lists/oss-security/2013/05/26/1

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Related vulnerabilities

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

9.2CVE-2026-56123Dest-unreach socat heap-based buffer overflow vulnerabilitysocat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite ad…EPSS 0.55%7.5CVE-2015-1379Dest-unreach socat improper input validation vulnerabilityThe signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote attackers to cause a denial of service (process freeze or crash).EPSS 3.9%6.8CVE-2010-2799Dest-unreach socat memory buffer overflow vulnerabilityStack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional d…EPSS 2.8%6.2CVE-2012-0219Dest-unreach socat memory buffer overflow vulnerabilityHeap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4 allows l…EPSS 0.46%5.3CVE-2016-2217Dest-unreach socat vulnerabilityThe OpenSSL address implementation in Socat 1.7.3.0 and 2.0.0-b8 does not use a prime number for the DH, which makes it easier for remote attackers t…EPSS 2.5%1.9CVE-2014-0019Dest-unreach socat memory buffer overflow vulnerabilityStack-based buffer overflow in socat 1.3.0.0 through 1.7.2.2 and 2.0.0-b1 through 2.0.0-b6 allows local users to cause a denial of service (segmentat…EPSS 0.40%

Source: NIST National Vulnerability Database (record CVE-2013-3571), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.