HOMEVULNERABILITIESCVE-2023-49294
HIGH

CVE-2023-49294

CWE-22Published: December 14, 2023· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

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.

NVD Source

Technical Analysis

CVE-2023-49294 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

digium1 product(s)
asterisk
sangoma1 product(s)
certified asterisk
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
PATCHhttps://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5
ADVISORYhttps://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f
ADVISORYhttps://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8f

All References (8)

→
https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757Product
→
https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5Patch
→
https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8fVendor Advisory
→
https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html
→
https://github.com/asterisk/asterisk/blob/master/main/manager.c#L3757Product
→
https://github.com/asterisk/asterisk/commit/424be345639d75c6cb7d0bd2da5f0f407dbd0bd5Patch
→
https://github.com/asterisk/asterisk/security/advisories/GHSA-8857-hfmw-vg8fVendor Advisory
→
https://lists.debian.org/debian-lts-announce/2023/12/msg00019.html

Quick Facts

CVE IDCVE-2023-49294
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected2 vendor(s)
PublishedDec 14, 2023

Related CVEs (CWE-22)

CVE-2025-69770
10.0
CVE-2026-41211
10.0
CVE-2008-1310
10.0
CVE-2025-52562
10.0
CVE-2026-36767
10.0
CVE-2026-11420
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2023-49294 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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