Vulnerability Details : CVE-2021-26076

The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before version 8.13.4, and from version 8.14.0 before version 8.15.0 allows remote anonymous attackers who can perform an attacker in the middle attack to learn which mode a user is editing in due to the cookie not being set with a secure attribute if Jira was configured to use https.
Published 2021-04-15 00:15:13
Updated 2022-03-30 13:29:19
Source Atlassian
View at NVD,   CVE.org

Threat overview for CVE-2021-26076

Top countries where our scanners detected CVE-2021-26076
Top open port discovered on systems with this issue 80
IPs affected by CVE-2021-26076 3,860
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2021-26076!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2021-26076

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-26076

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:P/I:N/A:N
8.6
2.9
 NIST
3.7
 LOW CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
2.2
1.4
 NIST

References for CVE-2021-26076

  • https://jira.atlassian.com/browse/JRASERVER-72252
    [JRASERVER-72252] jira.editor.user.mode cookie missing the secure attribute when Jira is configured with https - CVE-2021-26076 - Create and track feature requests for Atlassian products.
    Patch;Vendor Advisory

Products affected by CVE-2021-26076

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