Home/CVE/Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to discover the usernames of
CVE

CVE-2021-39125

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to discover the usernames of

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.

MEDIUM · CVSS 5.3 EPSS 0.00284
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  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
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Affected Products & Versions

4
atlassian data center< 8.5.10
atlassian data center>= 8.6.0 and < 8.13.1
atlassian jira< 8.5.10
atlassian jira server>= 8.6.0 and < 8.13.1
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Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Sep 2021 · 07:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/JRASERVER-72009Vendor Advisory
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