Is CVE-2021-41311 in the CISA KEV catalog?

No. CVE-2021-41311 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-41311?

CVE-2021-41311 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-41311?

CVE-2021-41311 has an EPSS score of 0.84% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-41311?

Upgrade jira software data center to 8.19.1 or later.

CVE & CISA-KEV Catalog

CVE-2021-41311

HIGH

7.5

CVSS v3

NVD

Description

Affected versions of Atlassian Jira Server and Data Center allow attackers with access to an administrator account that has had its access revoked to modify projects' Users & Roles settings, via a Broken Authentication vulnerability in the /plugins/servlet/project-config/PROJECT/roles endpoint. The affected versions are before version 8.19.1.

CWE-287Improper Authentication

How to fix

Remediation Available

jira software data centerNVD

Affected:< 8.19.1Fixed in:8.19.1CVE-2021-41311derived 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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.84%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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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.