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CVE-2012-2416

21
FAUCET Score

CVE-2012-2416 describes a denial-of-service vulnerability in Asterisk Open Source versions 1.8.x and 10.x, and Asterisk Business Edition C.3.x, specifically within the chan_sip.c SIP channel driver when the 'trustrpid' option is enabled. An authenticated remote attacker can trigger a daemon crash by sending a crafted SIP UPDATE message that attempts a connected-line update without an associated channel. This vulnerability has a CVSS score of 6.5, indicating medium severity with low attack complexity, requiring authentication, and potentially leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.6.2.0CPE matchmatch criteria
cpe:2.3:a:asterisk:open_source:1.6.2.0:*:*:*:*:*:*:*
1.6.2.0CPE matchmatch criteria
cpe:2.3:a:asterisk:open_source:1.6.2.0:rc2:*:*:*:*:*:*
1.6.2.0CPE matchmatch criteria
cpe:2.3:a:asterisk:open_source:1.6.2.0:rc3:*:*:*:*:*:*
1.6.2.0CPE matchmatch criteria
cpe:2.3:a:asterisk:open_source:1.6.2.0:rc4:*:*:*:*:*:*
1.6.2.0CPE matchmatch criteria
cpe:2.3:a:asterisk:open_source:1.6.2.0:rc5:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.5MEDIUM

AV:N/AC:L/Au:S/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Exploitability Score
8.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.19%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0219 is in the 92nd percentile among its peer group of 21,957 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

downloads.asterisk.org / pub/security/AST-2012-006.html
PatchVendor Advisory
lists.fedoraproject.org / pipermail/package-announce/2012-May/079759.html
osvdb.org / 81456
secunia.com / advisories/48891
exchange.xforce.ibmcloud.com / vulnerabilities/75101
issues.asterisk.org / jira/browse/ASTERISK-19770
securityfocus.com / bid/53205
securitytracker.com / id