CVE-2022-27438 json
Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer (Advanced Updater) are affec…
published 4y ago modified 4mo ago also EUVD-2022-31941
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
Summary
Caphyon Ltd Advanced Installer 19.3 and earlier and many products that use the updater from Advanced Installer (Advanced Updater) are affected by a remote code execution vulnerability via the CustomDetection parameter in the update check function. To exploit this vulnerability, a user must start an affected installation to trigger the update check.
Patch / fix
- caphyon advanced_installer 19.4
- synaptics displaylink_usb_graphics 10.3.6400.0
Is CVE-2022-27438 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- gerr.re https://gerr.re/posts/cve-2022-27438/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 5.1 | AV:N/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-494 Download of Code Without Integrity Check
References
-
advancedinstaller.com
/security-updates-auto-updater.html
patch, vendor-advisory
-
gerr.re
/posts/cve-2022-27438/
exploit, third-party-advisory
Sources
- CVE List CVE-2022-27438
- NVD CVE-2022-27438
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.