CVE-2023-50094 in the critical feed json
reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID.
published 2024-01-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54924
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 13.5%
- EPSS 13.5% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
reNgine before 2.1.2 allows OS Command Injection if an adversary has a valid session ID. The attack places shell metacharacters in an api/tools/waf_detector/?url= string. The commands are executed as root via subprocess.check_output.
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
13.54% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template reNgine 2.2.0 - Command Injection nuclei detection template
- mattz.io https://www.mattz.io/posts/cve-2023-50094/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
- github.com /yogeshojha/rengine/commit/3d5f1724dd12cf9861443742e7d7c02ff8c75a6f
- github.com /yogeshojha/rengine/commit/edd3c85ee16f93804ad38dac5602549d2d30a93e
-
mattz.io
/posts/cve-2023-50094/
exploit, third-party-advisory
-
github.com
/yogeshojha/rengine/blob/5e120bd5f9dfbd1da82a193e8c9702e483d38d22/web/api/views.py#L195
product
-
github.com
/yogeshojha/rengine/security
product
-
github.com
/yogeshojha/rengine/releases
release-notes
- github.com /yogeshojha/rengine/security/advisories/GHSA-fx7f-f735-vgh4
- github.com /yogeshojha/rengine/blob/53d9f505f04861a5040195ea71f20907ff90577a/web/api/views.py#L268-L275
Sources
- CVE List CVE-2023-50094
- NVD CVE-2023-50094
Fencer Vulns 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.