CSRF in Wowza Streaming Engine
CVE-2021-35491
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.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (57.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.gruppotim.it/redteam (Exploit, Third Party Advisory)
- www.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)
Frequently asked questions
- What is CVE-2021-35491?
- CVE-2021-35491 is a high-severity vulnerability in Wowza Streaming Engine, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.1/10. Published 2021-10-05.
- How severe is CVE-2021-35491?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2021-35491 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.