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CVE-2023-22527

CRITICAL
Published 2024-01-16T05:00:00.692Z
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CVSS Score

V3.0
10.0
/10
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.944
probability
of exploitation in the wild

There is a 94.4% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 1.000
Higher than 100.0% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

From Confluence Vulnerability (CVE-2023-22527) to LockBit Encryption: A Rapid Attack Chain

Security researchers at The DFIR Report have uncovered a highly coordinated attack that leveraged a critical remote code The post From Confluence Vulnerability (CVE-2023-22527) to LockBit Encryption: A Rapid Attack Chain appeared first on Cybersecurity News.

SecurityOnline.info 2025-02-25 01:37
Read More

Affected Products

Atlassian

Confluence Data Center

Affected Versions:

< 8.0.0 >= 8.0.0 >= 8.1.0 >= 8.2.0 >= 8.3.0 >= 8.4.0 >= 8.5.0 >= 8.5.1 >= 8.5.2 >= 8.5.3 >= 8.5.4 >= 8.6.0 >= 8.7.1
Atlassian

Confluence Server

Affected Versions:

< 8.0.0 >= 8.0.0 >= 8.1.0 >= 8.2.0 >= 8.3.0 >= 8.4.0 >= 8.5.0 >= 8.5.1 >= 8.5.2 >= 8.5.3 >= 8.5.4 >= 8.6.0
atlassian

confluence_data_center

Affected Versions:

8.0.0
atlassian

confluence_server

Affected Versions:

8.0.0

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

February 14, 2024

Added to KEV

January 24, 2024

Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Product

Vendor/Project: Atlassian
Product: Confluence Data Center and Server

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-w64x-j9r3-q79q

Advisory Details

Summary of Vulnerability 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. See “What You Need to Do” for detailed instructions. {panel:bgColor=#deebff} Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue. {panel} Affected Versions ||Product||Affected Versions|| |Confluence Data Center and Server| 8.0.x 8.1.x 8.2.x 8.3.x 8.4.x 8.5.0 8.5.1 8.5.2 8.5.3| Fixed Versions ||Product||Fixed Versions|| |Confluence Data Center and Server|8.5.4 (LTS)| |Confluence Data Center| 8.6.0 or later (Data Center Only) 8.7.1 or later (Data Center Only)| What You Need To Do Immediately patch to a fixed version Atlassian recommends that you patch each of your affected installations to the latest version. The listed Fixed Versions are no longer the most up-to-date versions and do not protect your instance from other non-critical vulnerabilities as outlined in Atlassian’s January Security Bulletin. ||Product||Fixed Versions||Latest Versions|| |Confluence Data Center and Server| 8.5.4 (LTS)| 8.5.5 (LTS) |Confluence Data Center| 8.6.0 or later (Data Center Only) 8.7.1 or later (Data Center Only)| 8.6.3 or later (Data Center Only) 8.7.2 or later (Data Center Only) For additional details, please see full advisory.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-22527
WEB https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
WEB https://jira.atlassian.com/browse/CONFSERVER-93833
WEB https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527
WEB http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html

Advisory provided by GitHub Security Advisory Database. Published: January 16, 2024, Modified: February 9, 2025

References

https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
https://jira.atlassian.com/browse/CONFSERVER-93833
http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html
Published: 2024-01-16T05:00:00.692Z
Last Modified: 2025-02-13T16:43:54.355Z
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