4.8

CVE-2019-20900: atlassian jira_data_center

Modified
Published 13-07-2020Last modified 17-09-2024

Vulnerability summary

CVE-2019-20900 is a medium (CVSS 4.8) vulnerability in atlassian jira_data_center. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 60.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.8, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.8/10
010
Medium · v3.1 (NVD)
EPSS score
0.92%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 13-07-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the Add Field module. The affected versions are before version 8.7.0.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.92% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian2 products

1 vendor · 2 products

References

1 links