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Advisory severityCritical9.8Atlassian Exploited CISA KEV

Critical [CVE-2023-22527] template injection vulnerability on older versions of Confluence Data Center and Server

This critical-severity Atlassian advisory covers CVE-2023-22527; related products: Confluence Data Center.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2023-22527 Source published Source updated

VulniPulse record published Record updated

CVE-2023-22527
Related products & platforms
AtlassianConfluence
Open source advisory

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Summary

A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.

Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates.

However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.

CISA Known Exploited Vulnerability

Listed:
Jan 24, 2024 · federal remediation due Feb 14, 2024
Required action:
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Ransomware use:
Known ransomware campaign use, according to CISA

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · medium-confidence parse· fetched 3 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 3 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 3 months ago·verify at source

Discussion(0)

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