SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-14181

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint.

EXPLOITMEDIUM 5.3EPSS 99.6%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 99.6%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.

Description

Affected versions of Atlassian Jira Server and Data Center allow an unauthenticated user to enumerate users via an Information Disclosure vulnerability in the /ViewUserHover.jspa endpoint. The affected versions are before version 7.13.6, from version 8.0.0 before 8.5.7, and from version 8.6.0 before 8.12.0.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
99.60% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 10 March 2021
CISA KEV
Not listed
Weakness
CWE-200
Affected
atlassian/data center · atlassian/jira · atlassian/jira server
Source
security@atlassian.com
EPSS trend
0%50%100%3 November 2026: 99.60%3 November 20263 November 2026

EPSS 99.6% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-49633source ↗Atlassian JIRA 8.11.1 - User Enumerationmultiple · Dolev Farhiwebapps10 March 2021no

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.