Vulnerability Report

CVE-2013-2053

Title: Xelerance Openswan RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2013-2053.

CWE Category CWE-119

Published Date Jul 09, 2013

Modified Date Apr 29, 2026

Exploit Status Not Found

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

1.65%

Vulnerability Summary

CVE-2013-2053: Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2052 and CVE-2013-2054.

Impacted Vendors

openswan 1

xelerance 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0827.html http://www.debian.org/security/2014/dsa-2893 http://www.securityfocus.com/bid/59838 https://bugzilla.redhat.com/show_bug.cgi?id=960229 https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html https://www.openswan.org/news/13 http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00008.html http://rhn.redhat.com/errata/RHSA-2013-0827.html http://www.debian.org/security/2014/dsa-2893 http://www.securityfocus.com/bid/59838 https://bugzilla.redhat.com/show_bug.cgi?id=960229 https://lists.libreswan.org/pipermail/swan-announce/2013/000003.html https://www.openswan.org/news/13

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-2053 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

July 09, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.