CVE-2021-33493 json
The middleware component in OX App Suite through 7.10.5 allows Code Injection via Java classes in a YAML format.
published 2021-11-22 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20196
- cvss
- 6.0
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
The middleware component in OX App Suite through 7.10.5 allows Code Injection via Java classes in a YAML format.
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- seclists.org https://seclists.org/fulldisclosure/2021/Nov/42 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/165028/OX-App-Suite-Ox-Documents-7.10.x-XSS-Code-Injection-Traversal.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
seclists.org
/fulldisclosure/2021/Nov/42
exploit, mailing-list, third-party-advisory
-
packetstormsecurity.com
/files/165028/OX-App-Suite-Ox-Documents-7.10.x-XSS-Code-Injection-Traversal.html
exploit, third-party-advisory
-
open-xchange.com
product, vendor-advisory
Sources
- CVE List CVE-2021-33493
- NVD CVE-2021-33493
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.