CVE-2023-49294
highpriority · attend · 46EPSS 0.453 · 99 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.9–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (27)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-3158Digium Certified Asterisk: Mehrere SchwachstellenDeutsch2023-12-14csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Digium Certified Asterisk und Asterisk ausnutzen, um einen Denial of Service Angriff durchzuführen oder Informationen offenzulegen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2023-49294/cnnvd
- https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757cnnvd
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5cnnvd
- https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8fcnnvd
- https://www.auscert.org.au/bulletins/ESB-2024.0005cnnvd
- https://www.auscert.org.au/bulletins/ESB-2024.0105cnnvd
- https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757enisa_euvd
- https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5enisa_euvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan