How severe is CVE-2021-39119?

CVE-2021-39119 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-39119 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39119?

CVE-2021-39119 primarily affects Atlassian Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-39119?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-39119 published?

CVE-2021-39119 was published on 2021-09-01 and last updated on 2026-06-17.

CVE-2021-39119

CVE-2021-39119 is a medium-severity vulnerability in Atlassian Data Center with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Atlassian Data Center
Published: 2021-09-01
Last modified: 2026-06-17

Description

Affected versions of Atlassian Jira Server and Data Center allow users who have watched an issue to continue receiving updates on the issue even after their Jira account is revoked, via a Broken Access Control vulnerability in the issue notification feature. The affected versions are before version 8.19.0.

Frequently asked questions

What is CVE-2021-39119?: Affected versions of Atlassian Jira Server and Data Center allow users who have watched an issue to continue receiving updates on the issue even after their Jira account is revoked, via a Broken Access Control vulnerability in the issue notification feature. The affected versions are before version 8.19.0.
How severe is CVE-2021-39119?: CVE-2021-39119 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-39119 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39119?: CVE-2021-39119 primarily affects Atlassian Data Center. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-39119?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-39119 published?: CVE-2021-39119 was published on 2021-09-01 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-72737

Affected products (2)

cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*

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