Path Traversal in Asterisk
CVE-2023-49294
Asterisk is an open source private branch exchange and telephony toolkit. In Asterisk prior to versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, it is possible to read any arbitrary file even when the `live_dangerously` is not enabled. This allows arbitrary files to be read. Asterisk versions 18.20.1, 20.5.1, and 21.0.1, as well as certified-asterisk prior to 18.9-cert6, contain a fix for this issue.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.453 (98.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.456 · newest: 0.453 · change: -0.003
Affected products
- Asterisk — versions < 18.20.1, >= 19.0.0, < 20.5.1, = 21.0.0
- Digium Asterisk — versions 21.0.0
- Sangoma Certified Asterisk — versions 13.13.0, 16.8.0, 18.9
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-49294?
- CVE-2023-49294 is a medium-severity vulnerability in Asterisk, classified under Path Traversal. CVSS score: 4.9/10. Published 2023-12-14.
- How severe is CVE-2023-49294?
- Medium severity. CVSS v3 base score is 4.9 out of 10.