CVE-2024-25636

HIGHNVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 0.7%, top 52% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.1Exploit: None knownExposed: 0

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

Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, which allows a threat actor to upload a crafted Activity Streams document to a remote server and make a Misskey instance fetch it, if the remote server accepts arbitrary user uploads. The vulnerability allows a threat actor to impersonate and take over an account on a remote server that satisfies all of the following properties: allows the threat actor to register an account; accepts arbitrary user-uploaded documents and places them on the same domain as legitimate Activity Streams actors; and serves user-uploaded document in response to requests with an Accept header value of the Activity Streams media type. Version 2024.2.0 contains a patch for the issue.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: Track

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
Severity71% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

February 19, 2024

Last Modified

February 5, 2025

References (10)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 44× 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 113 total refreshes for this CVE.

  1. 2026-07-26 14:53 UTCEPSS rescore
  2. 2026-07-25 14:16 UTCEPSS rescore
  3. 2026-07-24 14:16 UTCEPSS rescore
  4. 2026-07-23 14:17 UTCEPSS rescore
  5. 2026-07-23 14:17 UTCEPSS rescore
  6. 2026-07-23 02:34 UTCEG score recompute
  7. 2026-07-22 14:07 UTCEPSS rescore
  8. 2026-07-21 15:23 UTCEPSS rescore
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  21. 2026-07-14 19:40 UTCOSV refresh
  22. 2026-07-13 22:28 UTCEPSS rescore
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  25. 2026-07-12 05:45 UTCEPSS rescore
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  1. 2026-07-11 08:26 UTCEPSS rescore
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  20. 2026-06-27 03:07 UTCEPSS rescore
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  22. 2026-06-26 20:37 UTCOSV refresh
  23. 2026-06-25 13:48 UTCEPSS rescore
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  25. 2026-06-24 14:04 UTCEPSS rescore
  26. 2026-06-24 14:04 UTCEPSS rescore
  27. 2026-06-23 21:32 UTCEPSS rescore
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  29. 2026-06-22 14:24 UTCEPSS rescore
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  31. 2026-06-21 14:55 UTCEPSS rescore
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  35. 2026-06-19 19:24 UTCEPSS rescore
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  43. 2026-06-15 17:47 UTCEPSS rescore
  44. 2026-06-14 23:16 UTCEPSS rescore
  45. 2026-06-13 22:59 UTCEPSS rescore
  46. 2026-06-13 22:59 UTCEPSS rescore
  47. 2026-06-12 23:11 UTCEPSS rescore
  48. 2026-06-11 13:59 UTCEPSS rescore
  49. 2026-06-11 13:59 UTCEPSS rescore
  50. 2026-06-10 22:17 UTCEPSS rescore
  51. 2026-06-10 13:21 UTCEPSS rescore
  52. 2026-06-10 13:21 UTCEPSS rescore
  53. 2026-06-09 06:00 UTCOSV refresh
  54. 2026-06-08 14:16 UTCEPSS rescore
  55. 2026-06-08 14:16 UTCEPSS rescore
  56. 2026-06-07 15:24 UTCEPSS rescore
  57. 2026-06-07 15:24 UTCEPSS rescore
  58. 2026-06-06 13:46 UTCEPSS rescore
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  60. 2026-06-05 22:46 UTCEPSS rescore
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  62. 2026-06-05 06:09 UTCEPSS rescore
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  64. 2026-06-04 13:11 UTCEPSS rescore
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  67. 2026-06-02 20:12 UTCEPSS rescore
  68. 2026-06-02 20:12 UTCEPSS rescore
  69. 2026-06-01 13:51 UTCEPSS rescore
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  72. 2026-05-31 22:30 UTCEPSS rescore
  73. 2026-05-31 22:30 UTCEPSS rescore
  74. 2026-05-31 00:15 UTCEPSS rescore
  75. 2026-05-31 00:15 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-25636?
CVE-2024-25636 is a high vulnerability published on February 19, 2024. Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a Content-Type header value of the Activity Streams media type, which…
When was CVE-2024-25636 disclosed?
CVE-2024-25636 was first published in the National Vulnerability Database on February 19, 2024, with the most recent update on February 5, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-25636 actively exploited?
CVE-2024-25636 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.4% of all scored CVEs.
What is the CVSS score of CVE-2024-25636?
CVE-2024-25636 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2024-25636?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-25636, 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.

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