CVE-2023-22527

CRITICALNVD 9.810.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 10.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2024-01-24), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 3 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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 v3
9.8
EG Score
10.0(high)
EG Risk
100(Act)
EG Risk 100/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity100% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
100.0%
KEV
⚠ Exploited

Published

January 16, 2024

Last Modified

October 24, 2025

Advisory Details (5)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527
generic

Pwning Confluence via OGNL Injection for fun and learning - CVE-2023-22527 - vsociety

https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527
generic

Loading...

https://jira.atlassian.com/browse/CONFSERVER-93833
generic

Security Bulletin - January 16 2024 | Atlassian Support | Atlassian Documentation

https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615
generic

Packet Storm

http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 37× in last 7d / 176× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 332 total refreshes for this CVE.

  1. 2026-07-23 02:18 UTCEG score recompute
  2. 2026-07-22 21:38 UTCEG score recompute
  3. 2026-07-22 21:38 UTCGHSA enrichment
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 17:03 UTCGHSA enrichment
  6. 2026-07-22 12:42 UTCGHSA enrichment
  7. 2026-07-22 08:21 UTCGHSA enrichment
  8. 2026-07-22 04:01 UTCGHSA enrichment
  9. 2026-07-21 23:39 UTCGHSA enrichment
  10. 2026-07-21 18:31 UTCGHSA enrichment
  11. 2026-07-21 14:37 UTCCISA KEV update
  12. 2026-07-21 14:11 UTCGHSA enrichment
  13. 2026-07-21 09:49 UTCGHSA enrichment
  14. 2026-07-21 05:27 UTCGHSA enrichment
  15. 2026-07-21 01:06 UTCGHSA enrichment
  16. 2026-07-20 20:45 UTCGHSA enrichment
  17. 2026-07-20 16:25 UTCGHSA enrichment
  18. 2026-07-20 12:04 UTCGHSA enrichment
  19. 2026-07-20 07:43 UTCGHSA enrichment
  20. 2026-07-20 03:23 UTCGHSA enrichment
  21. 2026-07-19 23:03 UTCGHSA enrichment
  22. 2026-07-19 18:42 UTCGHSA enrichment
  23. 2026-07-19 14:21 UTCGHSA enrichment
  24. 2026-07-19 10:01 UTCGHSA enrichment
  25. 2026-07-19 05:40 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 01:19 UTCGHSA enrichment
  2. 2026-07-18 20:57 UTCGHSA enrichment
  3. 2026-07-18 16:36 UTCGHSA enrichment
  4. 2026-07-18 12:16 UTCGHSA enrichment
  5. 2026-07-18 07:55 UTCGHSA enrichment
  6. 2026-07-18 03:35 UTCGHSA enrichment
  7. 2026-07-17 23:15 UTCGHSA enrichment
  8. 2026-07-17 18:55 UTCGHSA enrichment
  9. 2026-07-17 14:34 UTCGHSA enrichment
  10. 2026-07-17 10:12 UTCEG score recompute
  11. 2026-07-17 10:12 UTCGHSA enrichment
  12. 2026-07-17 05:52 UTCGHSA enrichment
  13. 2026-07-17 01:31 UTCGHSA enrichment
  14. 2026-07-16 21:11 UTCGHSA enrichment
  15. 2026-07-16 17:04 UTCCISA KEV update
  16. 2026-07-16 16:50 UTCGHSA enrichment
  17. 2026-07-16 12:28 UTCGHSA enrichment
  18. 2026-07-16 08:07 UTCGHSA enrichment
  19. 2026-07-16 03:47 UTCGHSA enrichment
  20. 2026-07-15 23:26 UTCGHSA enrichment
  21. 2026-07-15 19:05 UTCGHSA enrichment
  22. 2026-07-15 16:49 UTCCISA KEV update
  23. 2026-07-15 15:04 UTCCISA KEV update
  24. 2026-07-15 14:44 UTCGHSA enrichment
  25. 2026-07-15 10:23 UTCGHSA enrichment
  26. 2026-07-15 06:02 UTCGHSA enrichment
  27. 2026-07-15 01:40 UTCGHSA enrichment
  28. 2026-07-14 21:20 UTCGHSA enrichment
  29. 2026-07-14 18:05 UTCCISA KEV update
  30. 2026-07-14 17:00 UTCGHSA enrichment
  31. 2026-07-14 12:40 UTCGHSA enrichment
  32. 2026-07-14 08:18 UTCGHSA enrichment
  33. 2026-07-14 03:58 UTCGHSA enrichment
  34. 2026-07-13 23:38 UTCGHSA enrichment
  35. 2026-07-13 19:17 UTCGHSA enrichment
  36. 2026-07-13 17:07 UTCCISA KEV update
  37. 2026-07-13 14:57 UTCGHSA enrichment
  38. 2026-07-13 10:36 UTCGHSA enrichment
  39. 2026-07-13 06:16 UTCGHSA enrichment
  40. 2026-07-13 01:56 UTCGHSA enrichment
  41. 2026-07-12 21:35 UTCGHSA enrichment
  42. 2026-07-12 17:15 UTCGHSA enrichment
  43. 2026-07-12 12:54 UTCGHSA enrichment
  44. 2026-07-12 08:33 UTCGHSA enrichment
  45. 2026-07-12 04:13 UTCGHSA enrichment
  46. 2026-07-11 23:52 UTCGHSA enrichment
  47. 2026-07-11 19:31 UTCGHSA enrichment
  48. 2026-07-11 15:11 UTCGHSA enrichment
  49. 2026-07-11 10:50 UTCGHSA enrichment
  50. 2026-07-11 06:29 UTCGHSA enrichment
  51. 2026-07-11 02:08 UTCGHSA enrichment
  52. 2026-07-10 21:47 UTCGHSA enrichment
  53. 2026-07-10 17:52 UTCCISA KEV update
  54. 2026-07-10 17:27 UTCGHSA enrichment
  55. 2026-07-10 13:07 UTCGHSA enrichment
  56. 2026-07-10 08:46 UTCGHSA enrichment
  57. 2026-07-10 04:24 UTCGHSA enrichment
  58. 2026-07-10 00:03 UTCGHSA enrichment
  59. 2026-07-09 19:41 UTCGHSA enrichment
  60. 2026-07-09 15:21 UTCGHSA enrichment
  61. 2026-07-09 11:00 UTCGHSA enrichment
  62. 2026-07-09 06:40 UTCGHSA enrichment
  63. 2026-07-09 02:20 UTCGHSA enrichment
  64. 2026-07-08 21:59 UTCGHSA enrichment
  65. 2026-07-08 17:38 UTCGHSA enrichment
  66. 2026-07-08 13:17 UTCGHSA enrichment
  67. 2026-07-08 08:56 UTCGHSA enrichment
  68. 2026-07-08 04:36 UTCGHSA enrichment
  69. 2026-07-08 00:14 UTCGHSA enrichment
  70. 2026-07-07 19:54 UTCGHSA enrichment
  71. 2026-07-07 19:01 UTCCISA KEV update
  72. 2026-07-07 17:16 UTCCISA KEV update
  73. 2026-07-07 15:34 UTCGHSA enrichment
  74. 2026-07-07 11:12 UTCGHSA enrichment
  75. 2026-07-07 06:52 UTCGHSA enrichment

Publicly available exploits

(10 references)

Working exploit code is in the public domain (10 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCBBD-YZZ/Confluence-RCE
    First seen May 29, 2024

    confluence rce (CVE-2021-26084, CVE-2022-26134, CVE-2023-22527)

    Open source ↗
  • GitHub PoCvulncheck-oss/cve-2023-22527
    First seen Mar 4, 2024

    Three go-exploits exploiting CVE-2023-22527 to execute arbitrary code in memory

    Open source ↗
  • GitHub PoCM0untainShley/CVE-2023-22527-MEMSHELL
    First seen Feb 26, 2024

    confluence CVE-2023-22527 漏洞利用工具，支持冰蝎/哥斯拉内存马注入，支持设置 http 代理

    Open source ↗
  • GitHub PoCBoogipop/CVE-2023-22527-Godzilla-MEMSHELL
    First seen Feb 11, 2024

    CVE-2023-22527 内存马注入工具

    Open source ↗
  • GitHub PoCadminlove520/CVE-2023-22527
    First seen Jan 25, 2024

    CVE-2023-22527 - RCE (Remote Code Execution) Vulnerability In Confluence Data Center and Confluence Server PoC

    Open source ↗
  • GitHub PoCyoryio/CVE-2023-22527
    First seen Jan 24, 2024

    Exploit for CVE-2023-22527 - Atlassian Confluence Data Center and Server

    Open source ↗
  • GitHub PoCPrivia-Security/CVE-2023-22527
    First seen Jan 24, 2024

    CVE-2023-22527

    Open source ↗
  • GitHub PoCNiuwoo/CVE-2023-22527
    First seen Jan 23, 2024

    POC

    Open source ↗
  • GitHub PoCManh130902/CVE-2023-22527-POC
    First seen Jan 23, 2024

    A critical severity Remote Code Execution (RCE) vulnerability (CVE-2023-22527) was discovered in Confluence Server and Data Center.

    Open source ↗
  • GitHub PoCVNCERT-CC/CVE-2023-22527-confluence
    First seen Jan 23, 2024

    [Confluence] CVE-2023-22527 realworld poc

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2023-22527?
CVE-2023-22527 is a critical vulnerability published on January 16, 2024. 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…
When was CVE-2023-22527 disclosed?
CVE-2023-22527 was first published in the National Vulnerability Database on January 16, 2024, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-22527 actively exploited?
Yes. CISA added CVE-2023-22527 to the Known Exploited Vulnerabilities catalog on January 24, 2024, affecting Atlassian Confluence Data Center and Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2023-22527?
CVE-2023-22527 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 10.0.
Which products are affected by CVE-2023-22527?
CVE-2023-22527 affects Atlassian Confluence Data Center and Server. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2023-22527?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22527, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2023-22527

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