How severe is CVE-2024-32983?

CVE-2024-32983 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2024-32983 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-32983?

CVE-2024-32983 affects Misskey. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-32983?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-32983 have an EU (EUVD) identifier?

Yes. CVE-2024-32983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30729.

When was CVE-2024-32983 published?

CVE-2024-32983 was published on 2024-06-03 and last updated on 2026-06-17.

CVE-2024-32983

CVE-2024-32983 is a high-severity vulnerability in Misskey with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-30729
Weakness: CWE-863
Affected product: Misskey
Published: 2024-06-03
Last modified: 2026-06-17

Description

Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the authors of the original activities. This vulnerability is fixed in 2024.5.0.

Frequently asked questions

What is CVE-2024-32983?: Misskey is an open source, decentralized microblogging platform. Misskey doesn't perform proper normalization on the JSON structures of incoming signed ActivityPub activity objects before processing them, allowing threat actors to spoof the contents of signed activities and impersonate the authors of the original activities. This vulnerability is fixed in 2024.5.0.
How severe is CVE-2024-32983?: CVE-2024-32983 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2024-32983 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-32983?: CVE-2024-32983 affects Misskey. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-32983?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-32983 have an EU (EUVD) identifier?: Yes. CVE-2024-32983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-30729.
When was CVE-2024-32983 published?: CVE-2024-32983 was published on 2024-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*

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