6.5

CVE-2021-41308: atlassian jira Improper Authorization

Modified
Published 26-10-2021Last modified 09-10-2024

Vulnerability summary

CVE-2021-41308 is a medium (CVSS 6.5) Improper Authorization vulnerability in atlassian jira. EPSS estimates a 1.01% chance of exploitation in the next 30 days, higher than 63.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.01%
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. 26-10-2021
    PublishedVulnerability first disclosed.
  2. 09-10-2024
    Last modifiedVulnerability information updated.

Description

Affected versions of Atlassian Jira Server and Data Center allow authenticated yet non-administrator remote attackers to edit the File Replication settings via a Broken Access Control vulnerability in the `ReplicationSettings!default.jspa` endpoint. The affected versions are before version 8.6.0, from version 8.7.0 before 8.13.12, and from version 8.14.0 before 8.20.1.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.01%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.01% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Atlassian4 products
  • jira< 8.6.0
  • jira_data_center≥ unspecified, < 8.6.0 | ≥ 8.7.0, < unspecified | ≥ unspecified, < 8.13.12 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.20.1 | ≥ 8.7.0, < 8.13.12
  • jira_server≥ unspecified, < 8.6.0 | ≥ 8.7.0, < unspecified | ≥ unspecified, < 8.13.12 | ≥ 8.14.0, < unspecified | ≥ unspecified, < 8.20.1 | ≥ 8.7.0, < 8.13.12 | ≥ 8.14.0, < 8.20.1
  • jira software data center< 8.6.0 | ≥ 8.14.0, < 8.20.1

1 vendor · 4 products

References

1 links