CVE Tools
Sign in

CVE-2012-2948

Published: Jun 2, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-399
NVD MITRE
4.0CVSSMEDIUM
EPSS Score
2.1%
Top 20.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.

CVSS Vector Breakdown

AV:NAC:LAu:SC:NI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:SAuthentication
Single
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
Open in CVSS calculator →

Weaknesses

CWE-399

Affected Products

n/an/a
certified asteriskasterisk
On-prem
Communications / voip-telephony
open sourceasterisk
On-premWeb App
Communications / voip-telephony
asterisksangoma
On-prem
Communications
asteriskoss-projectCommunicationsaka open source, asterisk appliance developer kit
sangomacommercialCACommunicationsaka freepbx, certified asterisk, asterisk

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/75937
exchange.xforce.ibmcloud.com
http://www.securitytracker.com/id?1027103
securitytracker.com
http://www.debian.org/security/2012/dsa-2493
debian.org
and 4 more references View all →

Timeline

Published
Jun 2, 2012
Last Updated
Apr 29, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2012-2948 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows