9.8

CVE-2019-20409: atlassian jira

Modified
Published 23-06-2020Last modified 17-09-2024

Vulnerability summary

CVE-2019-20409 is a critical (CVSS 9.8) vulnerability in atlassian jira. EPSS estimates a 2.48% chance of exploitation in the next 30 days, higher than 84.6% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
2.48%
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. 23-06-2020
    PublishedVulnerability first disclosed.
  2. 17-09-2024
    Last modifiedVulnerability information updated.

Description

The way in which velocity templates were used in Atlassian Jira Server and Data Center prior to version 8.8.0 allowed remote attackers to gain remote code execution if they were able to exploit a server side template injection vulnerability.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

2.48%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.48% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian3 products

1 vendor · 3 products

References

1 links