asterisk vulnerabilities and fixes

Recent CVEs affecting asterisk, with upgrade or downgrade steps. 18 tracked.

asterisk has 18 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 16. Most recent: 2026-02-06. Highest priority: CVE-2023-49786 (score 59/100).

• CVE-2025-1131 HIGH 7.8 UPGRADE DOWNGRADE A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolk
• CVE-2026-23741 NONE 0.0 UPGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2026-23740 NONE 0.0 DOWNGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2026-23739 LOW 2.0 UPGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2026-23738 LOW 3.5 UPGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2025-57767 HIGH 7.5 UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2025-54995 MEDIUM 6.5 UPGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2025-49832 MEDIUM 6.5 UPGRADE UPGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2025-47780 HIGH 7.8 UPGRADE UPGRADE Asterisk is an open-source private branch exchange (PBX)
• CVE-2025-47779 HIGH 7.7 UPGRADE UPGRADE Asterisk is an open-source private branch exchange (PBX)
• CVE-2024-57520 CRITICAL 9.8 UPGRADE Insecure Permissions vulnerability in asterisk v22 allows a remote attacker to execute arbitrary code via the
• CVE-2024-53566 MEDIUM 5.5 DOWNGRADE MITIGATE An issue in the action_listcategories() function of Sangoma Asterisk v22/22.0.0/22.0.0-rc1/22.0.0-rc2/22.0.0-p
• CVE-2024-42491 MEDIUM 5.7 UPGRADE UPGRADE Asterisk is an open-source private branch exchange (PBX)
• CVE-2024-42365 HIGH 7.4 UPGRADE DOWNGRADE Asterisk is an open source private branch exchange (PBX) and telephony toolkit
• CVE-2024-35190 MEDIUM 5.8 DOWNGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2023-49786 HIGH 7.5 UPGRADE DOWNGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2023-49294 MEDIUM 4.9 UPGRADE DOWNGRADE Asterisk is an open source private branch exchange and telephony toolkit
• CVE-2023-37457 HIGH 7.5 UPGRADE DOWNGRADE Asterisk is an open source private branch exchange and telephony toolkit

FAQ

How do I fix asterisk vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is asterisk being exploited right now?

None of the tracked asterisk CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which asterisk CVE should I patch first?

CVE-2023-49786 currently ranks highest (59/100): Asterisk is an open source private branch exchange and telephony toolkit.

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