CVE-2020-14181

mediumpriority · attend · 66EPSS 0.996 · 100 %ileexploit · functionalEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

5 exploits · functional

Likely / severe?

99.6% (100th) EPSS

CVSS 5 · medium

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Hsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-200USprimaryCWE-200US

exploits (5)

Public proof-of-concept and weaponised exploit code.

auxiliary/scanner/http/jira_user_enumJira Users Enumerationfunctional · metasploit
EDB-49633Atlassian JIRA 8.11.1 - User EnumerationPoC · exploit_db
Rival420/CVE-2020-14181POC For CVE-2020-1481 - Jira Username Enumerator/ValidatorPoC · poc_in_github
bk-rao/CVE-2020-14181Poc for CVE-2020-14181PoC · poc_in_github
und3sc0n0c1d0/UserEnumJiraSerie de scripts para enumerar nombres de usuarios de JIRA a partir de vulnerabilidades conocidas (CVE-2020-14181, CVE-2019-3403, CVE-2019-8449...)PoC · poc_in_github

affected products (14)

Products and version ranges known to be affected.

Atlassian Jira Server8.0.0 → unspecifiedenisa_euvdEU
Atlassian Jira Server8.6.0 → unspecifiedenisa_euvdEU
Atlassian Jira Serverunspecified → 7.13.6enisa_euvdEU
Atlassian Jira Serverunspecified → 8.12.0enisa_euvdEU
Atlassian Jira Serverunspecified → 8.5.7enisa_euvdEU
Atlassian Jira≤ 7.13.6fstec_bduRU
Atlassian Jira8.0.0 → 8.5.7fstec_bduRU
Atlassian Jira8.6.0 → 8.12.0fstec_bduRU
atlassian data center< 7.13.6nvdUScpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian data center8.0.0 → 8.5.7nvdUScpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian data center8.6.0 → 8.12.0nvdUScpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian jira< 7.13.6nvdUScpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
atlassian jira server8.0.0 → 8.5.7nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira server8.6.0 → 8.12.0nvdUScpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-09-17modified 2026-06-17

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+19384 more

references (9)

External citations — patches, advisories, analysis.

scry

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