CVE-2022-26499
9.1
CRITICAL · CVSS 3.1 · EPSS 7.7% (pctl 94)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| EPSS | 7.74% — more likely to be exploited than 94% of all CVEs |
| Weakness | CWE-918 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2022-04-15 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| debian | debian linux |
| digium | asterisk |
References
- http://packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-2022-002.html
- https://downloads.asterisk.org/pub/security/
- https://downloads.asterisk.org/pub/security/AST-2022-002.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
- https://www.debian.org/security/2022/dsa-5285
- http://packetstormsecurity.com/files/166745/Asterisk-Project-Security-Advisory-AST-2022-002.html
- https://downloads.asterisk.org/pub/security/
- https://downloads.asterisk.org/pub/security/AST-2022-002.html
- https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
- https://www.debian.org/security/2022/dsa-5285
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