CVE-2017-18434 json
cPanel before 64.0.21 allows code execution in the context of the root account via a SET_VHOST_LANG_PACKAGE multilang adminbin call (SEC-23…
published 7y ago modified 4mo ago also EUVD-2017-9550
- cvss
- 7.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
cPanel before 64.0.21 allows code execution in the context of the root account via a SET_VHOST_LANG_PACKAGE multilang adminbin call (SEC-237).
Patch / fix
- cpanel cpanel 56.0.49, 58.0.49, 60.0.43, 62.0.24, 64.0.21
Is CVE-2017-18434 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
0.46% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
documentation.cpanel.net
/display/CL/64+Change+Log
release-notes, vendor-advisory
-
news.cpanel.com
/cpanel-tsr-2017-0003-full-disclosure/
vendor-advisory
Sources
- CVE List CVE-2017-18434
- NVD CVE-2017-18434
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.