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Certified Asterisk

7 CVEs product

Monthly

CVE-2026-23739 LOW Monitor

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 ast_xml_open() function in xml.c parses XML documents using libxml with unsafe parsing options that enable entity expansion and XInclude processing. Specifically, it invokes xmlReadFile() with the XML_PARSE_NOENT flag and later processes XIncludes via xmlXIncludeProcess().If any untrusted or user-supplied XML file is passed to this function, it can ...

XXE Asterisk Certified Asterisk
NVD GitHub
CVSS 3.1
2.0
EPSS
0.1%
CVE-2026-23738 LOW Monitor

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, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. [CVSS 3.5 LOW]

XSS Asterisk Certified Asterisk
NVD GitHub
CVSS 3.1
3.5
EPSS
0.0%
CVE-2025-1131 HIGH POC This Month

A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. Rated high severity (CVSS 7.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Privilege Escalation Asterisk Certified Asterisk
NVD GitHub
CVSS 4.0
7.0
EPSS
0.0%
CVE-2025-54995 MEDIUM POC PATCH This Week

Asterisk is an open source private branch exchange and telephony toolkit. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Denial Of Service Microsoft Asterisk Certified Asterisk
NVD GitHub
CVSS 3.1
6.5
EPSS
1.0%
CVE-2025-49832 MEDIUM POC This Week

Asterisk is an open source private branch exchange and telephony toolkit. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft Asterisk Certified Asterisk
NVD GitHub
CVSS 3.1
6.5
EPSS
0.2%
CVE-2025-47780 MEDIUM POC Monitor

Asterisk is an open-source private branch exchange (PBX). Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Microsoft Command Injection Asterisk Certified Asterisk
NVD GitHub
CVSS 4.0
4.8
EPSS
0.6%
CVE-2025-47779 HIGH POC This Month

Asterisk is an open-source private branch exchange (PBX). Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Microsoft Information Disclosure Asterisk Certified Asterisk
NVD GitHub
CVSS 3.1
7.7
EPSS
0.3%
EPSS 0% CVSS 2.0
LOW Monitor

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 ast_xml_open() function in xml.c parses XML documents using libxml with unsafe parsing options that enable entity expansion and XInclude processing. Specifically, it invokes xmlReadFile() with the XML_PARSE_NOENT flag and later processes XIncludes via xmlXIncludeProcess().If any untrusted or user-supplied XML file is passed to this function, it can ...

XXE Asterisk Certified Asterisk
NVD GitHub
EPSS 0% CVSS 3.5
LOW Monitor

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, user supplied/control values for Cookies and any GET variable query Parameter are directly interpolated into the HTML of the page using ast_str_append. [CVSS 3.5 LOW]

XSS Asterisk Certified Asterisk
NVD GitHub
EPSS 0% CVSS 7.0
HIGH POC This Month

A local privilege escalation vulnerability exists in the safe_asterisk script included with the Asterisk toolkit package. Rated high severity (CVSS 7.0), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Privilege Escalation Asterisk Certified Asterisk
NVD GitHub
EPSS 1% CVSS 6.5
MEDIUM POC PATCH This Week

Asterisk is an open source private branch exchange and telephony toolkit. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Denial Of Service Microsoft Asterisk +1
NVD GitHub
EPSS 0% CVSS 6.5
MEDIUM POC This Week

Asterisk is an open source private branch exchange and telephony toolkit. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Denial Of Service Null Pointer Dereference Microsoft +2
NVD GitHub
EPSS 1% CVSS 4.8
MEDIUM POC Monitor

Asterisk is an open-source private branch exchange (PBX). Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Microsoft Command Injection Asterisk +1
NVD GitHub
EPSS 0% CVSS 7.7
HIGH POC This Month

Asterisk is an open-source private branch exchange (PBX). Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Microsoft Information Disclosure Asterisk +1
NVD GitHub

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