Is CVE-2021-21407 in the CISA KEV catalog?

No. CVE-2021-21407 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-21407?

CVE-2021-21407 has a CVSS v3 base score of 8.0 (HIGH).

What is the EPSS score for CVE-2021-21407?

CVE-2021-21407 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-21407?

Upgrade itop to 2.7.4 or later.

CVE & CISA-KEV Catalog

CVE-2021-21407

HIGH

8.0

CVSS v3

NVD

Description

Combodo iTop is an open source, web based IT Service Management tool. Prior to version 2.7.4, the CSRF token validation can be bypassed through iTop portal via a tricky browser procedure. The vulnerability is patched in version 2.7.4 and 3.0.0.

CWE-352Cross-Site Request Forgery

How to fix

Remediation Available

itopNVD

Affected:< 2.7.4Fixed in:2.7.4CVE-2021-21407derived 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 ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Third-Party Advisory1

github.com

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%	-	-

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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.