CVE-2026-57202
Asterisk: ARI setChannelVar bypasses live_dangerously and permits FILE() writes
02 Description
Asterisk: ARI setChannelVar bypasses live_dangerously and permits FILE() writes
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 38.1% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-28.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-27 17:58Z1 DAY AGO
- Last updated
- 2026-10-28 16:13Z19 HR AGO
- Reserved
- 2026-06-24
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.1)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- c9c9dd50d702689a6dee0e4d734d1c34a48c028ce33b68fd4a246614dcc99ced
05 Affected products
06 References
- github.comhttps://github.com/asterisk/asterisk/security/advisories/GHSA-vrfp-mg3q-3959
- github.comhttps://github.com/asterisk/asterisk/commit/8f8ccaf70a80e518147b0c35c0c252de4735446f
- github.comhttps://github.com/asterisk/asterisk/commit/92a5dd1003b737ae1cd2df4e60b73beb8d5e42bb
- github.comhttps://github.com/asterisk/asterisk/commit/ba04e7f1f98887c3c6e0dc4ddce663021f7e948a
- github.comhttps://github.com/asterisk/asterisk/commit/bf9354267557ef6d6b75f5304faa243f595a5a66
- github.comhttps://github.com/asterisk/asterisk/commit/caa4d50d9c3bf04fc979b5b2cdc5dc425772d845
- github.comhttps://github.com/asterisk/asterisk/commit/d47b0b6e5a384746db194f751b53d559aba8dba9
- github.comhttps://github.com/asterisk/asterisk/commit/d8614505b27688dec3a1d14554f52fda94712928
- github.comhttps://github.com/asterisk/asterisk/releases/tag/20.20.1
- github.comhttps://github.com/asterisk/asterisk/releases/tag/21.12.3
- github.comhttps://github.com/asterisk/asterisk/releases/tag/22.10.1
- github.comhttps://github.com/asterisk/asterisk/releases/tag/23.4.1
- github.comhttps://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11
- github.comhttps://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3
- github.comhttps://github.com/asterisk/asterisk/tree/24.0.0-pre1
07 Fixed in
Debian 14
- asterisk Fixed in 1:22.10.1+dfsg+~cs6.17.60671434-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.10
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- asterisk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.