CVE-2021-36359 json
OrbiTeam BSCW Classic before 7.4.3 allows exportpdf authenticated remote code execution (RCE) via XML tag injection because reportlab\platy…
published 2021-08-30 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22979
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
OrbiTeam BSCW Classic before 7.4.3 allows exportpdf authenticated remote code execution (RCE) via XML tag injection because reportlab\platypus\paraparser.py (reached via bscw.cgi op=_editfolder.EditFolder) calls eval on attacker-supplied Python code. This is fixed in 5.0.12, 5.1.10, 5.2.4, 7.3.3, and 7.4.3.
Patch / fix
- bscw bscw_classic 5.0.12, 5.1.10, 5.2.4, 7.3.3, 7.4.3
Exploit prediction
3.98% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- seclists.org http://seclists.org/fulldisclosure/2021/Aug/23 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/163988/BSCW-Server-XML-Injection.html 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:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-91 XML Injection
References
-
seclists.org
/fulldisclosure/2021/Aug/23
mailing-list, exploit, third-party-advisory
-
packetstormsecurity.com
/files/163988/BSCW-Server-XML-Injection.html
exploit, third-party-advisory
-
bscw.de
/en/company/
vendor-advisory
Sources
- CVE List CVE-2021-36359
- NVD CVE-2021-36359
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.