CVE-2022-26499
9.1
CRITICAL
CVSS 3.1
EPSS 1.5%
Description
An SSRF issue was discovered in Asterisk through 19.x. When using STIR/SHAKEN, it's possible to send arbitrary requests (such as GET) to interfaces such as localhost by using the Identity header. This is fixed in 16.25.2, 18.11.2, and 19.3.2.
How to fix CVE-2022-26499
To remediate CVE-2022-26499, upgrade the affected package to a fixed version below.
- Alpine/asterisk—upgrade to 18.11.2-r0 or later
- Debian/asterisk—upgrade to 1:16.28.0~dfsg-0+deb11u1 or later
Is CVE-2022-26499 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 18.11.2-r0
- from 0, < 1:16.28.0~dfsg-0+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |