CVE-2020-14181

Exp

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.

Published: 2020-09-16 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-14181 is rated High Exploit Risk (76.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 99.60%, 100th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +6.10% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2020-14181

EDB-ID Source Kind Published Link
49633 exploit_db edb 2021-03-10 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2020-14181

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 93.51% 99.60% +6.10%
2 2026-06-06 92.95% 93.51% +0.55%
3 2026-03-28 — 92.95% —

Full EPSS history (60 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-14181

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 1.4 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2020-14181

Affected software / configurations for CVE-2020-14181

Vendor Product Version Raw CPE
atlassian data_center < 7.13.6 cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian data_center >= 8.0.0, < 8.5.7 cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian data_center >= 8.6.0, < 8.12.0 cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*
atlassian jira < 7.13.6 cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
atlassian jira_server >= 8.0.0, < 8.5.7 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 8.6.0, < 8.12.0 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

References for CVE-2020-14181

cvelogic Threat Intelligence