CVE-2025-1131

HIGH
Published Sep 23, 2025 Modified Nov 3, 2025 CWE-427

Description

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 init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions. Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart.

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-427 CWE-427

Affected Products

Vendor Product
sangoma asterisk
sangoma asterisk
sangoma asterisk
sangoma asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk
sangoma certified_asterisk

References

Frequently Asked Questions

What is CVE-2025-1131? +
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 init or FreePBX environments), it sources all .sh files located in /etc/asterisk/startup.d/ as root, without validating ownership or permissions. Non-root users with legitimate write access to /etc/asterisk can exploit this behaviour by placing malicious scripts in the startup.d directory, which will then execute with root privileges upon service restart. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2025-1131? +
CVE-2025-1131 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2025-1131? +
CVE-2025-1131 affects products from sangoma, specifically: asterisk, certified_asterisk. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-1131? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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