CVE-2013-7100

Exp

Buffer overflow in the unpacksms16 function in apps/app_sms.c in Asterisk Open Source 1.8.x before 1.8.24.1, 10.x before 10.12.4, and 11.x before 11.6.1; Asterisk with Digiumphones 10.x-digiumphones before 10.12.4-digiumphones; and Certified Asterisk 1.8.x before 1.8.15-cert4 and 11.x before 11.2-cert3 allows remote attackers to cause a denial of service (daemon crash) via a 16-bit SMS message with an odd number of bytes, which triggers an infinite loop.

Published: 2013-12-19 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-7100 is rated High Exploit Risk (73.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 14.71%, 96th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +12.16% 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-2013-7100

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

Exploit prediction scoring system (EPSS) score for CVE-2013-7100

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 2.55% 14.71% +12.16%
2 2025-12-28 1.39% 2.55% +1.16%
3 2025-12-27 — 1.39% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-7100

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2013-7100

OS Trackers for CVE-2013-7100

vendor priority summary link
debian not yet assigned CVE-2013-7100 not yet assigned priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. https://security-tracker.debian.org/tracker/CVE-2013-7100
gentoo high CVE-2013-7100: 1 GLSA(s) (201401-15), 1 atom(s) (net-misc/asterisk); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-7100
ubuntu medium CVE-2013-7100 medium priority: Ubuntu including 1 source packages (asterisk), 13 status rows across 13 suites (lucid, precise, quantal, raring, saucy, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 6, ignored 5, DNE 1, released 1. https://ubuntu.com/security/CVE-2013-7100

Affected software / configurations for CVE-2013-7100

Vendor Product Version Raw CPE
digium asterisk 1.8.17.0 cpe:2.3:a:digium:asterisk:1.8.17.0:*:*:*:*:*:*:*
digium asterisk 1.8.17.0 cpe:2.3:a:digium:asterisk:1.8.17.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.17.0 cpe:2.3:a:digium:asterisk:1.8.17.0:rc2:*:*:*:*:*:*
digium asterisk 1.8.17.0 cpe:2.3:a:digium:asterisk:1.8.17.0:rc3:*:*:*:*:*:*
digium asterisk 1.8.18.0 cpe:2.3:a:digium:asterisk:1.8.18.0:*:*:*:*:*:*:*
digium asterisk 1.8.18.0 cpe:2.3:a:digium:asterisk:1.8.18.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.18.1 cpe:2.3:a:digium:asterisk:1.8.18.1:*:*:*:*:*:*:*
digium asterisk 1.8.19.0 cpe:2.3:a:digium:asterisk:1.8.19.0:*:*:*:*:*:*:*
digium asterisk 1.8.19.0 cpe:2.3:a:digium:asterisk:1.8.19.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.19.0 cpe:2.3:a:digium:asterisk:1.8.19.0:rc3:*:*:*:*:*:*
digium asterisk 1.8.19.1 cpe:2.3:a:digium:asterisk:1.8.19.1:*:*:*:*:*:*:*
digium asterisk 1.8.20.0 cpe:2.3:a:digium:asterisk:1.8.20.0:*:*:*:*:*:*:*
digium asterisk 1.8.20.0 cpe:2.3:a:digium:asterisk:1.8.20.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.20.0 cpe:2.3:a:digium:asterisk:1.8.20.0:rc2:*:*:*:*:*:*
digium asterisk 1.8.21.0 cpe:2.3:a:digium:asterisk:1.8.21.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.21.0 cpe:2.3:a:digium:asterisk:1.8.21.0:rc2:*:*:*:*:*:*
digium asterisk 1.8.22.0 cpe:2.3:a:digium:asterisk:1.8.22.0:*:*:*:*:*:*:*
digium asterisk 1.8.22.0 cpe:2.3:a:digium:asterisk:1.8.22.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.22.0 cpe:2.3:a:digium:asterisk:1.8.22.0:rc2:*:*:*:*:*:*
digium asterisk 1.8.23.0 cpe:2.3:a:digium:asterisk:1.8.23.0:*:*:*:*:*:*:*
digium asterisk 1.8.23.0 cpe:2.3:a:digium:asterisk:1.8.23.0:rc1:*:*:*:*:*:*
digium asterisk 1.8.23.0 cpe:2.3:a:digium:asterisk:1.8.23.0:rc2:*:*:*:*:*:*
digium asterisk 10.10.0 cpe:2.3:a:digium:asterisk:10.10.0:*:*:*:*:*:*:*
digium asterisk 10.10.0 cpe:2.3:a:digium:asterisk:10.10.0:rc1:*:*:*:*:*:*
digium asterisk 10.10.0 cpe:2.3:a:digium:asterisk:10.10.0:rc2:*:*:*:*:*:*
digium asterisk 10.11.0 cpe:2.3:a:digium:asterisk:10.11.0:*:*:*:*:*:*:*
digium asterisk 10.11.0 cpe:2.3:a:digium:asterisk:10.11.0:rc1:*:*:*:*:*:*
digium asterisk 10.11.0 cpe:2.3:a:digium:asterisk:10.11.0:rc2:*:*:*:*:*:*
digium asterisk 10.11.0 cpe:2.3:a:digium:asterisk:10.11.0:rc3:*:*:*:*:*:*
digium asterisk 10.12.0 cpe:2.3:a:digium:asterisk:10.12.0:*:*:*:*:*:*:*
digium asterisk 10.12.0 cpe:2.3:a:digium:asterisk:10.12.0:rc1:*:*:*:*:*:*
digium asterisk 10.12.0 cpe:2.3:a:digium:asterisk:10.12.0:rc2:*:*:*:*:*:*
digium asterisk 10.12.1 cpe:2.3:a:digium:asterisk:10.12.1:*:*:*:*:*:*:*
digium asterisk 10.12.2 cpe:2.3:a:digium:asterisk:10.12.2:*:*:*:*:*:*:*
digium asterisk 11.0.0 cpe:2.3:a:digium:asterisk:11.0.0:*:*:*:*:*:*:*
digium asterisk 11.0.0 cpe:2.3:a:digium:asterisk:11.0.0:beta1:*:*:*:*:*:*
digium asterisk 11.0.0 cpe:2.3:a:digium:asterisk:11.0.0:beta2:*:*:*:*:*:*
digium asterisk 11.0.0 cpe:2.3:a:digium:asterisk:11.0.0:rc1:*:*:*:*:*:*
digium asterisk 11.0.0 cpe:2.3:a:digium:asterisk:11.0.0:rc2:*:*:*:*:*:*
digium asterisk 11.0.1 cpe:2.3:a:digium:asterisk:11.0.1:*:*:*:*:*:*:*
digium asterisk 11.0.2 cpe:2.3:a:digium:asterisk:11.0.2:*:*:*:*:*:*:*
digium asterisk 11.1.0 cpe:2.3:a:digium:asterisk:11.1.0:*:*:*:*:*:*:*
digium asterisk 11.1.0 cpe:2.3:a:digium:asterisk:11.1.0:rc1:*:*:*:*:*:*
digium asterisk 11.1.0 cpe:2.3:a:digium:asterisk:11.1.0:rc3:*:*:*:*:*:*
digium asterisk 11.1.1 cpe:2.3:a:digium:asterisk:11.1.1:*:*:*:*:*:*:*
digium asterisk 11.1.2 cpe:2.3:a:digium:asterisk:11.1.2:*:*:*:*:*:*:*
digium asterisk 11.2.0 cpe:2.3:a:digium:asterisk:11.2.0:rc1:*:*:*:*:*:*
digium asterisk 11.2.0 cpe:2.3:a:digium:asterisk:11.2.0:rc2:*:*:*:*:*:*
digium asterisk 11.3.0 cpe:2.3:a:digium:asterisk:11.3.0:rc1:*:*:*:*:*:*
digium asterisk 11.3.0 cpe:2.3:a:digium:asterisk:11.3.0:rc2:*:*:*:*:*:*
digium asterisk 11.4.0 cpe:2.3:a:digium:asterisk:11.4.0:*:*:*:*:*:*:*
digium asterisk 11.4.0 cpe:2.3:a:digium:asterisk:11.4.0:rc1:*:*:*:*:*:*
digium asterisk 11.4.0 cpe:2.3:a:digium:asterisk:11.4.0:rc2:*:*:*:*:*:*
digium asterisk 11.4.0 cpe:2.3:a:digium:asterisk:11.4.0:rc3:*:*:*:*:*:*
digium asterisk 11.5.0 cpe:2.3:a:digium:asterisk:11.5.0:*:*:*:*:*:*:*
digium asterisk 11.5.0 cpe:2.3:a:digium:asterisk:11.5.0:rc1:*:*:*:*:*:*
digium asterisk 11.5.0 cpe:2.3:a:digium:asterisk:11.5.0:rc2:*:*:*:*:*:*
digium asterisk 11.5.1 cpe:2.3:a:digium:asterisk:11.5.1:*:*:*:*:*:*:*
digium asterisk_digiumphones 10.0.0 cpe:2.3:a:digium:asterisk_digiumphones:10.0.0:*:*:*:*:*:*:*
digium asterisk_digiumphones 10.0.0 cpe:2.3:a:digium:asterisk_digiumphones:10.0.0:rc1:*:*:*:*:*:*
digium asterisk_digiumphones 10.0.0 cpe:2.3:a:digium:asterisk_digiumphones:10.0.0:rc2:*:*:*:*:*:*
digium asterisk_digiumphones 10.11.0 cpe:2.3:a:digium:asterisk_digiumphones:10.11.0:*:*:*:*:*:*:*
digium asterisk_digiumphones 10.11.0 cpe:2.3:a:digium:asterisk_digiumphones:10.11.0:rc1:*:*:*:*:*:*
digium asterisk_digiumphones 10.11.0 cpe:2.3:a:digium:asterisk_digiumphones:10.11.0:rc2:*:*:*:*:*:*
digium asterisk_digiumphones 10.11.0 cpe:2.3:a:digium:asterisk_digiumphones:10.11.0:rc3:*:*:*:*:*:*
digium asterisk_digiumphones 10.12.0 cpe:2.3:a:digium:asterisk_digiumphones:10.12.0:*:*:*:*:*:*:*
digium asterisk_digiumphones 10.12.0 cpe:2.3:a:digium:asterisk_digiumphones:10.12.0:rc1:*:*:*:*:*:*
digium asterisk_digiumphones 10.12.0 cpe:2.3:a:digium:asterisk_digiumphones:10.12.0:rc2:*:*:*:*:*:*
digium asterisk_digiumphones 10.12.1 cpe:2.3:a:digium:asterisk_digiumphones:10.12.1:*:*:*:*:*:*:*
digium asterisk_digiumphones 10.12.2 cpe:2.3:a:digium:asterisk_digiumphones:10.12.2:*:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:*:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:cert1:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:cert1-rc1:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:cert1-rc2:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:cert1-rc3:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:cert2:*:*:*:*:*:*
digium certified_asterisk 1.8.15 cpe:2.3:a:digium:certified_asterisk:1.8.15:rc1:*:*:*:*:*:*
digium certified_asterisk 11.2.0 cpe:2.3:a:digium:certified_asterisk:11.2.0:*:*:*:*:*:*:*
digium certified_asterisk 11.2.0 cpe:2.3:a:digium:certified_asterisk:11.2.0:cert1:*:*:*:*:*:*
digium certified_asterisk 11.2.0 cpe:2.3:a:digium:certified_asterisk:11.2.0:rc1:*:*:*:*:*:*

References for CVE-2013-7100

cvelogic Threat Intelligence