CVE-2013-2221

Exp

Heap-based buffer overflow in the ZRtp::storeMsgTemp function in GNU ZRTPCPP before 3.2.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large packet.

Published: 2013-10-04 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2221 is rated High Exploit Risk (77.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.32%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.08% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-2221

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2221

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 3.24% 4.32% +1.08%
2 2025-03-30 5.44% 3.24% -2.20%
3 2025-03-29 — 5.44% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2221

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2013-2221

OS Trackers for CVE-2013-2221

vendor priority summary link
gentoo normal CVE-2013-2221: 1 GLSA(s) (201309-13), 1 atom(s) (net-libs/libzrtpcpp); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-2221
ubuntu medium CVE-2013-2221 medium priority: Ubuntu including 1 source packages (libzrtpcpp), 17 status rows across 17 suites (artful, bionic, cosmic, disco, lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): ignored 8, DNE 6, not-affected 2, released 1. https://ubuntu.com/security/CVE-2013-2221

Affected software / configurations for CVE-2013-2221

Vendor Product Version Raw CPE
wernerd zrtpcpp <= 3.2.1 cpe:2.3:a:wernerd:zrtpcpp:*:*:*:*:*:*:*:*
wernerd zrtpcpp 2.1.2 cpe:2.3:a:wernerd:zrtpcpp:2.1.2:*:*:*:*:*:*:*
wernerd zrtpcpp 2.2.0 cpe:2.3:a:wernerd:zrtpcpp:2.2.0:*:*:*:*:*:*:*
wernerd zrtpcpp 2.3.0 cpe:2.3:a:wernerd:zrtpcpp:2.3.0:*:*:*:*:*:*:*
wernerd zrtpcpp 3.0.0 cpe:2.3:a:wernerd:zrtpcpp:3.0.0:alpha:*:*:*:*:*:*
wernerd zrtpcpp 3.1.0 cpe:2.3:a:wernerd:zrtpcpp:3.1.0:*:*:*:*:*:*:*
wernerd zrtpcpp 3.2.0 cpe:2.3:a:wernerd:zrtpcpp:3.2.0:*:*:*:*:*:*:*

References for CVE-2013-2221

cvelogic Threat Intelligence