Is CVE-2021-35491 in the CISA KEV catalog?

No. CVE-2021-35491 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-35491?

CVE-2021-35491 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2021-35491?

CVE-2021-35491 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-35491?

Upgrade streaming engine to 4.8.14 or later.

CVE & CISA-KEV Catalog

CVE-2021-35491

HIGH

8.1

CVSS v3

NVD

Description

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.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

streaming engineNVD

Affected:< 4.8.14Fixed in:4.8.14CVE-2021-35491derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Exploit1

gruppotim.it

Vendor Advisory1

wowza.com

Third-Party Advisory1

n4nj0.github.io

Related Vulnerabilities

Other CWE-352 (Cross-Site Request Forgery) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2016-6277	High	8.8	100%	KEV	-
CVE-2014-0054	Medium	6.8	91%	-	Fix
CVE-2013-6429	Medium	6.8	90%	-	Fix
CVE-2022-41622	High	8.8	88%	-	-
CVE-2018-7700	High	8.8	75%	-	-
CVE-2015-2295	Medium	6.8	66%	-	-

Embed a live status badge for CVE-2021-35491

Markdown

[![CVE-2021-35491](https://tridentstack.com/cve/badge/CVE-2021-35491.svg)](https://tridentstack.com/cve/CVE-2021-35491)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-35491"><img src="https://tridentstack.com/cve/badge/CVE-2021-35491.svg" alt="CVE-2021-35491"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.