CVE-2024-21677

HIGH

8.8

CVSS Score

Published: March 19, 2024 at 05:00 PM UTC

Updated: June 17, 2026 at 07:09 AM UTC

2 products affected across 1 vendorConfluence ServerConfluence Data Center

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Severity

HIGH8.8

Exploit prediction

EPSS 0.9%

SSVC

No known exploit

Description

This High severity Path Traversal vulnerability was introduced in version 6.13.0 of Confluence Data Center. This Path Traversal vulnerability, with a CVSS Score of 8.3, allows an unauthenticated attacker to exploit an undefinable vulnerability which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Data Center Atlassian recommends that Confluence Data Center customers upgrade to the latest version and that Confluence Server customers upgrade to the latest 8.5.x LTS version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions See the release notes https://confluence.atlassian.com/doc/confluence-release-notes-327.html You can download the latest version of Confluence Data Center and Server from the download center https://www.atlassian.com/software/confluence/download-archives. This vulnerability was reported via our Bug Bounty program.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Confluence Data Center · Atlassianatlassian-app

95%

v < 7.17.06.13.0 ≤ v < 7.19.207.17.0 ≤ v < 7.17.57.18.0 ≤ v < 7.18.37.19.0 ≤ v < 7.19.197.20.0 ≤ v < 7.20.37.20.0 ≤ v < 8.5.78.0.0 ≤ v < 8.0.48.1.0 ≤ v < 8.1.48.2.0 ≤ v < 8.2.38.3.0 ≤ v < 8.3.48.4.0 ≤ v < 8.4.58.5 ≤ v < 8.5.68.6.0 ≤ v < 8.6.28.6.0 ≤ v < 8.8.18.7.0 ≤ v < 8.7.27.17.0 7.18.07.19.07.20.08.0.08.1.08.2.08.3.08.4.08.5 8.6.0 8.7.0 8.8.0 >= 6.13.0 >= 7.19.0>= 7.20.0>= 8.0.0 >= 8.1.0 >= 8.2.0 >= 8.3.0 >= 8.4.0 >= 8.5.0>= 8.6.0>= 8.7.1>= 8.8.0

Vendor states this is fixed in 6.13.0 (unaffected)

Affected range stops below 7.17.0, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.17.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.18.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.19.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 7.20.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.0.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.2.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.3.4, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.4.5, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.6.2, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.7.2, so it looks safe — our inference, not a vendor statement

Vendor states this is fixed in >= 7.19.20 (unaffected)

Vendor states this is fixed in >= 8.5.7 (unaffected)

Vendor states this is fixed in >= 8.8.1 (unaffected)

Confluence Server · Atlassianatlassian-app

95%

6.13.0 ≤ v < 7.19.207.20.0 ≤ v < 8.5.7

Affected range stops below 7.19.20, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.5.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory

Source: [email protected]

https://confluence.atlassian.com/pages/viewpage.action?pageId=1369444862

Issue TrackingVendor Advisory

Source: [email protected]

https://jira.atlassian.com/browse/CONFSERVER-94604

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-22

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