CVE-2021-26075
CVE-2021-26075 is a medium-severity vulnerability in Atlassian Data Center with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- CVSS v2: 4.0
- EPSS exploit prediction: 2% (73rd percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Atlassian Data Center
- Published:
- Last modified:
Description
The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before 8.13.4, and from version 8.14.0 before 8.15.1 allowed remote authenticated attackers to obtain the full path of the Jira application data directory via an information disclosure vulnerability in the error message when presented with an invalid filename.
Frequently asked questions
- What is CVE-2021-26075?
- The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before 8.13.4, and from version 8.14.0 before 8.15.1 allowed remote authenticated attackers to obtain the full path of the Jira application data directory via an information disclosure vulnerability in the error message when presented with an invalid filename.
- How severe is CVE-2021-26075?
- CVE-2021-26075 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2021-26075 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-26075?
- CVE-2021-26075 primarily affects Atlassian Data Center. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-26075?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-26075 published?
- CVE-2021-26075 was published on 2021-04-15 and last updated on 2026-06-17.
References
Affected products (4)
- cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
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