Asterisk
Vendor:
First CVE: Sep 8, 2009 · Active for 16 years
28
Total CVEs
More Total CVEs than 97% of tracked products
2.5
Avg CVEs / Year
Higher CVE frequency than 78% of tracked products
7.1
Avg CVSS
Higher Avg CVSS than 46% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Asterisk over time
Volume of CVEsAvg CVSS Base Score
First CVE
Sep 8, 2009
16 years ago
Most Recent CVE
Feb 6, 2026
172 days ago
CVE Severity & Scoring
Asterisk28 CVEs
50%
36%
14%
All CVEs353,240 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local4 (14.3%)
Network21 (75.0%)
Unknown3 (10.7%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low24 (85.7%)
High1 (3.6%)
Unknown3 (10.7%)
User Interaction
None21 (75.0%)
Unknown3 (10.7%)
Required4 (14.3%)
Privileges Required
Low12 (42.9%)
High1 (3.6%)
None12 (42.9%)
Unknown3 (10.7%)
Top CVEs
Signals from CVEs in this product scope (28 CVEs).
28 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-23608CRITICAL PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions | Feb 22, 2022 | 9.8 | 33 | NO | NO |
CVE-2021-37706CRITICAL PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In affected | Dec 22, 2021 | 9.8 | 33 | NO | NO |
CVE-2022-21723CRITICAL PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In versions | Jan 27, 2022 | 9.1 | 31 | NO | NO |
CVE-2026-23741HIGH Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.7-cert9, 20.18.2, 21.12.1, 22.8.2, and 23.2.2, the asterisk/contrib/scripts/ast_cored | Feb 6, 2026 | 8.8 | 27 | NO | NO |
CVE-2012-2186HIGH Incomplete blacklist vulnerability in main/manager.c in Asterisk Open Source 1.8.x before 1.8.15.1 and 10.x before 10.7.1, Certified Asterisk 1.8.11 before 1.8.11-cert6, Asterisk D | Aug 31, 2012 | 9.0 | 27 | NO | NO |
CVE-2025-57767HIGH Asterisk is an open source private branch exchange and telephony toolkit. Prior to versions 20.15.2, 21.10.2, and 22.5.2, if a SIP request is received with an Authorization header | Aug 28, 2025 | 7.5 | 25 | NO | NO |
CVE-2024-57520CRITICAL Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the action_createconfig function. NOTE: this is disputed by the Supplier b | Feb 5, 2025 | 9.8 | 25 | NO | NO |
CVE-2009-3723HIGH asterisk allows calls on prohibited networks | Oct 29, 2019 | 7.5 | 25 | NO | NO |
CVE-2017-9358HIGH A memory exhaustion vulnerability exists in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1 and Certified Asterisk 13.13 before 13.13-cert4, which can be triggered | Jun 2, 2017 | 7.5 | 25 | NO | NO |
CVE-2025-1131HIGH A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. When Asterisk is started via this script (common in SysV i | Sep 23, 2025 | 7.8 | 24 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (28 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (28 CVEs).
Media Mentions
Signals from CVEs in this product scope (28 CVEs).
Top CNAs Publishing CVEs For Asterisk
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 22.0.0 | 1 | 5.5 | 0.3% | 0 | 0 |
| 21.3.0 | 1 | 5.3 | 0.6% | 0 | 0 |
| 20.8.0 | 1 | 5.3 | 0.6% | 0 | 0 |
| 20.0.0 | 3 | 6.3 | 1.2% | 0 | 0 |
| 18.23.0 | 1 | 5.3 | 0.6% | 0 | 0 |
| 1.6.1.4 | 1 | 7.8 | 2.6% | 0 | 0 |
| 1.6.1 | 1 | 7.8 | 2.6% | 0 | 0 |
| 14.4.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 14.3.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 14.2.1 | 1 | 7.5 | 2.8% | 0 | 0 |
| 14.2.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 14.1.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 14.0.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.9.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.8.2 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.8.1 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.8.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.7.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.6.0 | 1 | 7.5 | 2.8% | 0 | 0 |
| 13.5.0 | 1 | 7.5 | 2.8% | 0 | 0 |