Is CVE-2021-39112 in the CISA KEV catalog?

No. CVE-2021-39112 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-39112?

CVE-2021-39112 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2021-39112?

CVE-2021-39112 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-39112?

Upgrade Jira Software Long Term Support to 8.5.15 or later.

CVE & CISA-KEV Catalog

CVE-2021-39112

MEDIUM

4.8

CVSS v3

NVD

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to redirect users to a malicious URL via a reverse tabnapping vulnerability in the Project Shortcuts feature. The affected versions are before version 8.5.15, from version 8.6.0 before 8.13.7, from version 8.14.0 before 8.17.1, and from version 8.18.0 before 8.18.1.

CWE-1022 CWE-601Open Redirect

How to fix

Remediation Available

Jira Software Long Term SupportWindows application

Affected:8.5.15Fixed in:8.5.15Atlassian

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 RequiredHigh

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

jira.atlassian.com

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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.