CVE-2024-21683 (GCVE-0-2024-21683)
Vulnerability from cvelistv5 – Published: 2024-05-21 23:00 – Updated: 2025-05-12 15:22Summary
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction.
Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions. See the release notes https://confluence.atlassian.com/doc/confluence-release-notes-327.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 found internally.
Severity
7.2 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-07-20 03:55 UTC
CWE
- RCE (Remote Code Execution)
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Atlassian | Confluence Data Center |
Affected:
8.9.0
Affected: 8.8.0 to 8.8.1 Affected: 8.7.1 to 8.7.2 Affected: 8.6.0 to 8.6.2 Affected: 8.5.0 to 8.5.8 Affected: 8.4.0 to 8.4.5 Affected: 8.3.0 to 8.3.4 Affected: 8.2.0 to 8.2.3 Affected: 8.1.0 to 8.1.4 Affected: 8.0.0 to 8.0.4 Affected: 7.20.0 to 7.20.3 Affected: 7.19.0 to 7.19.21 Unaffected: 8.9.1 to 8.9.2 Unaffected: 8.5.9 to 8.5.10 Unaffected: 7.19.22 to 7.19.23 |
guessed | |
| atlassian | confluence_data_center |
Affected:
8.9.0
Affected: 8.8.0 , ≤ 8.8.1 (custom) Affected: 8.7.1 , ≤ 8.7.2 (custom) Affected: 8.6.0 , ≤ 8.6.2 (custom) Affected: 8.5.0 , ≤ 8.5.8 (custom) Affected: 8.4.0 , ≤ 8.4.5 (custom) Affected: 8.3.0 , ≤ 8.3.4 (custom) Affected: 8.2.0 , ≤ 8.2.3 (custom) Affected: 8.1.0 , ≤ 8.1.4 (custom) Affected: 8.0.0 , ≤ 8.0.4 (custom) Affected: 7.20.0 , ≤ 7.20.3 (custom) Affected: 7.19.0 , ≤ 7.1921 (custom) Affected: 8.9.1 Affected: 8.5.9 Affected: 7.19.22 cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* |
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b93f06a6-fb1c-4c2c-b49a-97a2d49dbb46
Exploited: Yes
Characteristics
Severity:
83.0
Timestamps
First Seen: 2024-05-29
Asserted: 2024-05-29
Last Seen: 2026-06-22
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Atlassian / Confluence | Class: other-software | Severity: High (CVSS 8.3) | IoT: no | In CISA KEV: no | Honeypot connections on 2026-06-22: 17
Evidence
Type: Honeypot
Signal: In The Wild Attempts
Confidence: 70%
Source: shadowserver
Details
| 1D | 1 |
|---|---|
| Iot | no |
| Feed | Shadowserver Foundation honeypot/exploited-vulnerabilities |
| Type | http-scan |
| Class | other-software |
| 7D Avg | 0 |
| Vendor | Atlassian |
| 30D Avg | 0 |
| 90D Avg | 0 |
| Product | Confluence |
| Cisa Kev | no |
| Connections | 17 |
| Observation Date | 2026-06-22 |
| Vulnerability Class | CVSS |
| Vulnerability Score | 8.3 |
| Vulnerability Severity | High |
References
Created: 2026-06-30 09:23 UTC
| Updated: 2026-06-30 12:46 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 5a514b1b-ff50-42cf-bff3-aa5ae88c786b
Exploited: Yes
Timestamps
First Seen: 2024-05-21
Asserted: 2024-05-21
Scope
Notes: KEVIntel entry: This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server.
This RCE (Remote... | Affected: Atlassian / Confluence Data Center | CVSS: 7.2 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | This High severity RCE (Remote Code Execution) vulnerability was introduced in version 5.2 of Confluence Data Center and Server. This RCE (Remote... |
| Vendor | Atlassian |
| Product | Confluence Data Center |
| Added Date | 2024-05-21T23:00:00.000Z |
| Cvss Score | 7.2 |
| Epss Score | None |
| Cvss Severity | HIGH |
| Epss Percentile | None |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | True |
References
Created: 2026-06-23 14:06 UTC
| Updated: 2026-07-10 06:14 UTC
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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