CVE-2020-12257 json
rConfig 3.9.4 is vulnerable to cross-site request forgery (CSRF) because it lacks implementation of CSRF protection such as a CSRF token.
published 2020-05-18 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4571
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
rConfig 3.9.4 is vulnerable to cross-site request forgery (CSRF) because it lacks implementation of CSRF protection such as a CSRF token. An attacker can leverage this vulnerability by creating a form (add a user, delete a user, or edit a user).
Exploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/farid007/eb7310749520fb8cdf5942573c9954ef referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
gist.github.com
/farid007/eb7310749520fb8cdf5942573c9954ef
exploit, third-party-advisory
Sources
- CVE List CVE-2020-12257
- NVD CVE-2020-12257
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