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CVE-2021-39125

MEDIUMCVSS 5.3/10EPSS 1.36%

Last modified

CVE-2021-39125 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to discover the usernames of users via an enumeration vulnerability in the password reset page. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.. EPSS estimates a 1.36% chance of exploitation in the next 30 days.

Description

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to discover the usernames of users via an enumeration vulnerability in the password reset page. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
1.36%

68.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
AtlassianData Center< 8.5.10
AtlassianData Center>= 8.6.0, < 8.13.1
AtlassianJira< 8.5.10
AtlassianJira Server>= 8.6.0, < 8.13.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39125?
Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to discover the usernames of users via an enumeration vulnerability in the password reset page. The affected versions are before version 8.5.10, and from version 8.6.0 before 8.13.1.
How severe is CVE-2021-39125?
CVE-2021-39125 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.36% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39125?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39125?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST