Is CVE-2023-22508 in the CISA KEV catalog?

No. CVE-2023-22508 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-22508?

CVE-2023-22508 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-22508?

CVE-2023-22508 has an EPSS score of 2.19% (80th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-22508?

Upgrade confluence data center to 8.2.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-22508

HIGHEPSS 80th pctl

8.8

CVSS v3

NVD

Description

This High severity RCE (Remote Code Execution) vulnerability known as CVE-2023-22508 was introduced in version 6.1.0 of Confluence Data Center & Server. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and no user interaction. Atlassian recommends that you upgrade your instance to avoid this bug using the following options: * Upgrade to a Confluence feature release greater than or equal to 8.2.0 (ie: 8.2, 8.2, 8.4, etc...) * Upgrade to a Confluence 7.19 LTS bugfix release greater than or equal to 7.19.8 (ie: 7.19.8, 7.19.9, 7.19.10, 7.19.11, etc...) * Upgrade to a Confluence 7.13 LTS bugfix release greater than or equal to 7.13.20 (Release available early August) See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html ). You can download the latest version of Data Center & Server from the download center (https://www.atlassian.com/software/confluence/download-archives ). If you are unable to upgrade your instance please use the following guide to workaround the issue https://confluence.atlassian.com/confkb/how-to-disable-the-jmx-network-port-for-cve-2023-22508-1267761550.html This vulnerability was discovered by a private user and reported via our Bug Bounty program.

How to fix

Remediation Available

confluence data centerNVD

Affected:>= 7.20.0, < 8.2.0Fixed in:8.2.0CVE-2023-22508derived from NVD

confluence serverNVD

Affected:>= 7.20.0, < 8.2.0Fixed in:8.2.0CVE-2023-22508derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

2.19%probability of exploitation in 30 days

80thpercentile

Elevated risk: more likely to be exploited than 80% of all known CVEs.

References

Patch1

jira.atlassian.com

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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 2024-11-21.