Vulnerability Details : CVE-2021-39121
Affected versions of Atlassian Jira Server and Data Center allow authenticated remote attackers to enumerate the keys of private Jira projects via an Information Disclosure vulnerability in the /rest/api/latest/projectvalidate/key endpoint. The affected versions are before version 8.5.18, from version 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2.
Vulnerability category: Information leak
Products affected by CVE-2021-39121
- cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
- cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
Threat overview for CVE-2021-39121
Top countries where our scanners detected CVE-2021-39121
Top open port discovered on systems with this issue
80
IPs affected by CVE-2021-39121 4,142
Threat actors abusing to this issue?
Yes
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affected by CVE-2021-39121!
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Exploit prediction scoring system (EPSS) score for CVE-2021-39121
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39121
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
2.8
|
1.4
|
NIST |
References for CVE-2021-39121
-
https://jira.atlassian.com/browse/JRASERVER-72715
[JRASERVER-72715] Project key enumeration via the /rest/api/latest/projectvalidate/key endpoint - CVE-2021-39121 - Create and track feature requests for Atlassian products.Patch;Vendor Advisory
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