CVE-2021-35491 json
A Cross-Site Request Forgery (CSRF) vulnerability in Wowza Streaming Engine through 4.8.11+5 allows a remote attacker to delete a user acco…
published 2021-10-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22133
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
A Cross-Site Request Forgery (CSRF) vulnerability in Wowza Streaming Engine through 4.8.11+5 allows a remote attacker to delete a user account via the /enginemanager/server/user/delete.htm userName parameter. The application does not implement a CSRF token for the GET request. This issue was resolved in Wowza Streaming Engine release 4.8.14.
Patch / fix
- wowza streaming_engine 4.8.14
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gruppotim.it https://www.gruppotim.it/redteam referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:N/I:P/A:P |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
gruppotim.it
/redteam
exploit, third-party-advisory
-
wowza.com
/docs/wowza-streaming-engine-4-8-14-release-notes
release-notes, vendor-advisory
-
n4nj0.github.io
/advisories/wowza-streaming-engine-i/
third-party-advisory
Sources
- CVE List CVE-2021-35491
- NVD CVE-2021-35491
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