Is CVE-2024-21703 in the CISA KEV catalog?

No. CVE-2024-21703 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-21703?

CVE-2024-21703 has a CVSS v3 base score of 6.4 (MEDIUM).

What is the EPSS score for CVE-2024-21703?

CVE-2024-21703 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-21703?

Upgrade confluence data center to 8.7.2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2024-21703

MEDIUM

6.4

CVSS v3

NVD

Description

This Medium severity Security Misconfiguration vulnerability was introduced in version 8.8.1 of Confluence Data Center and Server for Windows installations. This Security Misconfiguration vulnerability, with a CVSS Score of 6.4 allows an authenticated attacker of the Windows host to read sensitive information about the Confluence Data Center configuration which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that Confluence Data Center and Server customers upgrade to the latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: * Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.18 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.5 * Confluence Data Center and Server 8.7: Upgrade to a release greater than or equal to 8.7.2 * Confluence Data Center and Server 8.8: Upgrade to a release greater than or equal to 8.8.0 See the release notes (https://confluence.atlassian.com/conf88/confluence-release-notes-1354501008.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 Atlassian Bug Bounty Program by Chris Elliot.

CWE-732Incorrect Permission Assignment for Critical Resource

How to fix

Remediation Available

confluence data centerNVD

Affected:>= 8.7, < 8.7.2Fixed in:8.7.2CVE-2024-21703derived from NVD

confluence serverNVD

Affected:>= 8.0.0, < 8.5.5Fixed in:8.5.5CVE-2024-21703derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Vendor Advisory1

jira.atlassian.com

Related Vulnerabilities

Other CWE-732 (Incorrect Permission Assignment for Critical Resource) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2011-3923	Critical	9.8	89%	-	Fix
CVE-2018-15379	Critical	9.8	86%	-	-
CVE-2018-1000207	High	7.2	64%	-	-
CVE-2023-32986	High	8.8	63%	-	-
CVE-2021-44521	Critical	9.1	55%	-	Fix
CVE-2018-13374	Medium	4.3	38%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-07-30.