CVE-2018-20128 json
An issue was discovered in UsualToolCMS v8.0.
published 2018-12-13 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12698
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
An issue was discovered in UsualToolCMS v8.0. cmsadmin\a_sqlback.php allows remote attackers to delete arbitrary files via a backname[] directory-traversal pathname followed by a crafted substring.
Exploit prediction
1.54% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- iwantacve.cn http://www.iwantacve.cn/index.php/archives/90/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 6.4 | AV:N/AC:L/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
iwantacve.cn
/index.php/archives/90/
exploit, third-party-advisory
Sources
- CVE List CVE-2018-20128
- NVD CVE-2018-20128
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.