SSRF in Digium Asterisk
CVE-2022-26499
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.078 (94.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.077 · newest: 0.078 · change: +0.001
Affected products
- Digium Asterisk
- Debian Linux — versions 10.0, 11.0
Weakness classification (CWE)
References
- downloads.asterisk.org/pub/security/ (Vendor Advisory)
- downloads.asterisk.org/pub/security/AST-2022-002.html (Patch, Vendor Advisory)
- packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-202… (Patch, VDB Entry, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/11/msg00021.html (mailing-list, Third Party Advisory, Issue Tracking)
- www.debian.org/security/2022/dsa-5285 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-26499?
- CVE-2022-26499 is a critical-severity vulnerability in Digium Asterisk, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.1/10. Published 2022-04-15.
- How severe is CVE-2022-26499?
- Critical severity. CVSS v3 base score is 9.1 out of 10.