Vulnerability Report

CVE-2013-1740

Title: Mozilla Network Security Services Cryptographic Failures

Other

Proof Of Concept

No public PoC currently indexed for CVE-2013-1740.

CWE Category CWE-310

Published Date Jan 18, 2014

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.8 CVSS v2.0

Exploit Probability (EPSS)

1.93%

Vulnerability Summary

CVE-2013-1740: The ssl_Do1stHandshake function in sslsecur.c in libssl in Mozilla Network Security Services (NSS) before 3.15.4, when the TLS False Start feature is enabled, allows man-in-the-middle attackers to spoof SSL servers by using an arbitrary X.509 certificate during certain handshake traffic.

Impacted Vendors

mozilla 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html http://seclists.org/fulldisclosure/2014/Dec/23 http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/archive/1/534161/100/0/threaded http://www.securityfocus.com/bid/64944 http://www.ubuntu.com/usn/USN-2088-1 http://www.vmware.com/security/advisories/VMSA-2014-0012.html https://bugs.gentoo.org/show_bug.cgi?id=498172 https://bugzilla.mozilla.org/show_bug.cgi?id=919877 https://bugzilla.redhat.com/show_bug.cgi?id=1053725 https://developer.mozilla.org/docs/NSS/NSS_3.15.4_release_notes https://exchange.xforce.ibmcloud.com/vulnerabilities/90394 http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html http://seclists.org/fulldisclosure/2014/Dec/23 http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html http://www.oracle.com/technetwork/topics/security/cpuoct2014-1972960.html http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html http://www.securityfocus.com/archive/1/534161/100/0/threaded http://www.securityfocus.com/bid/64944 http://www.ubuntu.com/usn/USN-2088-1 http://www.vmware.com/security/advisories/VMSA-2014-0012.html https://bugs.gentoo.org/show_bug.cgi?id=498172 https://bugzilla.mozilla.org/show_bug.cgi?id=919877 https://bugzilla.redhat.com/show_bug.cgi?id=1053725 https://developer.mozilla.org/docs/NSS/NSS_3.15.4_release_notes https://exchange.xforce.ibmcloud.com/vulnerabilities/90394

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.8

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-1740 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

January 18, 2014 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:N

Affected Stack

No specific products linked.