Vulnerability details
CVE-2023-22527
Actively exploited
Atlassian Confluence Data CenterAtlassian Confluence Server
CVSS 3.0
10.0Critical
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 10.0Critical | 3.0 | CVEProject cvelistV5 (CNA) (atlassian) | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Atlassian | Confluence Data Center | >= 8.0.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.1.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.2.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.3.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.4.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.5.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.5.1 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.5.2 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | >= 8.5.3 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Data Center | 8.0.0 ≤ v < 8.5.4 | CISA ADP / Vulnrichment |
| Atlassian | Confluence Server | >= 8.0.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.1.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.2.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.3.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.4.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.5.0 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.5.1 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.5.2 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | >= 8.5.3 | CVEProject cvelistV5 (CNA) |
| Atlassian | Confluence Server | 8.0.0 ≤ v < 8.5.4 | CISA ADP / Vulnrichment |
References and advisories
5- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527 government-resource
- 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
- https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527
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Details
- Published
- 2024-01-16
- Last updated
- 2025-10-22
- State
- Published
- Assigner (CNA)
- atlassian
- Kolun priority
- 90 · Critical
CISA KEV catalog
- Date added
- 2024-01-24
- Due date
- 2024-02-14
- Used in ransomware
- Yes
Exploit prediction (EPSS)
99.98%
Probability of exploitation in 30 days
99.9%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')