CVE-2023-22515

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 2023-10-05), 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 — 4 sources updated this weekExploited in the wild
10.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 99%CVSS: 9.8Exploit: cisa kev · ssvc active · kev ransomware · Metasploit · epss top5pct · epss high · public exploitExposed: 0

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

Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. 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.

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 PROB
99%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

October 4, 2023

Last Modified

March 25, 2026

Advisory Details (5)

Auto-updated Aug 5, 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-2023-22515
generic

CVE-2023-22515 - Broken Access Control Vulnerability in Confluence Data Center and Server | Atlassian Support | Atlassian Documentation

https://confluence.atlassian.com/pages/viewpage.action?pageId=1295682276
generic

FAQ for CVE-2023-22515 | Atlassian knowledge base | Atlassian Support

https://confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 46× 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 452 total refreshes for this CVE.

  1. 2026-08-11 06:35 UTCGHSA enrichment
  2. 2026-08-11 02:16 UTCGHSA enrichment
  3. 2026-08-10 21:58 UTCGHSA enrichment
  4. 2026-08-10 17:39 UTCGHSA enrichment
  5. 2026-08-10 13:20 UTCGHSA enrichment
  6. 2026-08-10 09:01 UTCGHSA enrichment
  7. 2026-08-10 04:43 UTCGHSA enrichment
  8. 2026-08-10 00:24 UTCGHSA enrichment
  9. 2026-08-09 20:06 UTCGHSA enrichment
  10. 2026-08-09 15:47 UTCGHSA enrichment
  11. 2026-08-09 11:29 UTCGHSA enrichment
  12. 2026-08-09 07:10 UTCGHSA enrichment
  13. 2026-08-09 02:51 UTCGHSA enrichment
  14. 2026-08-08 22:33 UTCGHSA enrichment
  15. 2026-08-08 18:14 UTCGHSA enrichment
  16. 2026-08-08 13:55 UTCGHSA enrichment
  17. 2026-08-08 09:36 UTCGHSA enrichment
  18. 2026-08-08 05:17 UTCGHSA enrichment
  19. 2026-08-08 00:59 UTCGHSA enrichment
  20. 2026-08-07 20:40 UTCGHSA enrichment
  21. 2026-08-07 17:09 UTCCISA KEV update
  22. 2026-08-07 16:22 UTCGHSA enrichment
  23. 2026-08-07 12:03 UTCGHSA enrichment
  24. 2026-08-07 07:44 UTCGHSA enrichment
  25. 2026-08-07 03:25 UTCGHSA enrichment
Show 75 more
  1. 2026-08-06 23:06 UTCGHSA enrichment
  2. 2026-08-06 18:47 UTCGHSA enrichment
  3. 2026-08-06 14:29 UTCEG score recompute
  4. 2026-08-06 14:29 UTCGHSA enrichment
  5. 2026-08-06 13:44 UTCEPSS rescore
  6. 2026-08-06 10:10 UTCGHSA enrichment
  7. 2026-08-06 05:52 UTCGHSA enrichment
  8. 2026-08-06 01:33 UTCGHSA enrichment
  9. 2026-08-05 21:15 UTCGHSA enrichment
  10. 2026-08-05 17:25 UTCCISA KEV update
  11. 2026-08-05 16:56 UTCGHSA enrichment
  12. 2026-08-05 12:37 UTCGHSA enrichment
  13. 2026-08-05 08:18 UTCGHSA enrichment
  14. 2026-08-05 03:59 UTCGHSA enrichment
  15. 2026-08-04 23:40 UTCGHSA enrichment
  16. 2026-08-04 19:22 UTCEG score recompute
  17. 2026-08-04 19:22 UTCGHSA enrichment
  18. 2026-08-04 17:02 UTCCISA KEV update
  19. 2026-08-04 15:07 UTCEPSS rescore
  20. 2026-08-04 15:03 UTCGHSA enrichment
  21. 2026-08-04 10:43 UTCGHSA enrichment
  22. 2026-08-04 06:22 UTCGHSA enrichment
  23. 2026-08-04 02:01 UTCGHSA enrichment
  24. 2026-08-03 21:43 UTCGHSA enrichment
  25. 2026-08-03 19:22 UTCCISA KEV update
  26. 2026-08-03 17:24 UTCGHSA enrichment
  27. 2026-08-03 13:04 UTCEG score recompute
  28. 2026-08-03 13:04 UTCGHSA enrichment
  29. 2026-08-03 10:34 UTCEPSS rescore
  30. 2026-08-03 08:45 UTCGHSA enrichment
  31. 2026-08-03 04:26 UTCGHSA enrichment
  32. 2026-08-03 00:07 UTCGHSA enrichment
  33. 2026-08-02 19:49 UTCGHSA enrichment
  34. 2026-08-02 15:30 UTCGHSA enrichment
  35. 2026-08-02 11:12 UTCGHSA enrichment
  36. 2026-08-02 06:53 UTCGHSA enrichment
  37. 2026-08-02 02:34 UTCGHSA enrichment
  38. 2026-08-01 22:15 UTCGHSA enrichment
  39. 2026-08-01 17:56 UTCGHSA enrichment
  40. 2026-08-01 13:37 UTCGHSA enrichment
  41. 2026-08-01 09:18 UTCGHSA enrichment
  42. 2026-08-01 04:59 UTCGHSA enrichment
  43. 2026-08-01 00:40 UTCGHSA enrichment
  44. 2026-07-31 20:21 UTCGHSA enrichment
  45. 2026-07-31 16:01 UTCGHSA enrichment
  46. 2026-07-31 11:42 UTCGHSA enrichment
  47. 2026-07-31 07:23 UTCGHSA enrichment
  48. 2026-07-31 03:03 UTCGHSA enrichment
  49. 2026-07-30 22:44 UTCGHSA enrichment
  50. 2026-07-30 18:25 UTCGHSA enrichment
  51. 2026-07-30 14:05 UTCGHSA enrichment
  52. 2026-07-30 09:45 UTCEG score recompute
  53. 2026-07-30 09:45 UTCGHSA enrichment
  54. 2026-07-30 05:26 UTCGHSA enrichment
  55. 2026-07-30 01:06 UTCGHSA enrichment
  56. 2026-07-29 20:47 UTCGHSA enrichment
  57. 2026-07-29 19:27 UTCCISA KEV update
  58. 2026-07-29 16:28 UTCGHSA enrichment
  59. 2026-07-29 12:09 UTCGHSA enrichment
  60. 2026-07-29 07:50 UTCGHSA enrichment
  61. 2026-07-29 03:29 UTCGHSA enrichment
  62. 2026-07-28 23:09 UTCGHSA enrichment
  63. 2026-07-28 18:47 UTCGHSA enrichment
  64. 2026-07-28 14:26 UTCGHSA enrichment
  65. 2026-07-28 10:06 UTCGHSA enrichment
  66. 2026-07-28 05:46 UTCGHSA enrichment
  67. 2026-07-28 01:27 UTCGHSA enrichment
  68. 2026-07-27 21:08 UTCGHSA enrichment
  69. 2026-07-27 19:24 UTCCISA KEV update
  70. 2026-07-27 17:17 UTCCISA KEV update
  71. 2026-07-27 16:50 UTCGHSA enrichment
  72. 2026-07-27 12:31 UTCGHSA enrichment
  73. 2026-07-27 08:12 UTCGHSA enrichment
  74. 2026-07-27 03:54 UTCGHSA enrichment
  75. 2026-07-26 23:34 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 PoCspareack/CVE-2023-22515-NSE
    First seen Jul 18, 2024

    Vulnerability checking tool via Nmap Scripting Engine

    Open source ↗
  • GitHub PoCaaaademo/Confluence-EvilJar
    First seen Nov 9, 2023

    配合 CVE-2023-22515 后台上传jar包实现RCE

    Open source ↗
  • GitHub PoCAIex-3/confluence-hack
    First seen Oct 30, 2023

    CVE-2023-22515

    Open source ↗
  • GitHub PoCyoucannotseemeagain/CVE-2023-22515_RCE
    First seen Oct 20, 2023

    Confluence后台rce

    Open source ↗
  • GitHub PoCLe1a/CVE-2023-22515
    First seen Oct 13, 2023

    Confluence Data Center & Server 权限提升漏洞 Exploit

    Open source ↗
  • GitHub PoCK4ptor/CVE-2023-22515
    First seen Oct 12, 2023

    Confluence Unauthorized Administrator User Addition Exploitation Script

    Open source ↗
  • GitHub PoCkh4sh3i/CVE-2023-22515
    First seen Oct 11, 2023

    CVE-2023-22515 - Broken Access Control Vulnerability in Confluence Data Center and Server

    Open source ↗
  • GitHub PoCad-calcium/CVE-2023-22515
    First seen Oct 11, 2023

    Confluence未授权添加管理员用户(CVE-2023-22515)漏洞利用工具

    Open source ↗
  • GitHub PoCj3seer/CVE-2023-22515-POC
    First seen Oct 10, 2023

    Poc for CVE-2023-22515

    Open source ↗
  • GitHub PoCChocapikk/CVE-2023-22515
    First seen Oct 10, 2023

    CVE-2023-22515: Confluence Broken Access Control Exploit

    Open source ↗

Frequently asked(6)

What is CVE-2023-22515?
CVE-2023-22515 is a critical vulnerability published on October 4, 2023. Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access…
When was CVE-2023-22515 disclosed?
CVE-2023-22515 was first published in the National Vulnerability Database on October 4, 2023, with the most recent update on March 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-22515 actively exploited?
Yes. CISA added CVE-2023-22515 to the Known Exploited Vulnerabilities catalog on October 5, 2023, 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-2023-22515?
CVE-2023-22515 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-2023-22515?
CVE-2023-22515 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-2023-22515?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-22515, 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-2023-22515

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