How severe is CVE-2024-55659?

CVE-2024-55659 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-55659 being actively exploited?

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

What products are affected by CVE-2024-55659?

CVE-2024-55659 affects B3log Siyuan. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-55659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-55659 have an EU (EUVD) identifier?

Yes. CVE-2024-55659 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3467.

When was CVE-2024-55659 published?

CVE-2024-55659 was published on 2024-12-12 and last updated on 2026-06-17.

CVE-2024-55659

CVE-2024-55659 is a medium-severity vulnerability in B3log Siyuan with a CVSS 3.x base score of 5.4. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v4: 8.7
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3467
Weakness: CWE-22
Affected product: B3log Siyuan
Published: 2024-12-12
Last modified: 2026-06-17

Description

SiYuan is a personal knowledge management system. Prior to version 3.1.16, the `/api/asset/upload` endpoint in Siyuan is vulnerable to both arbitrary file write to the host and stored cross-site scripting (via the file write). Version 3.1.16 contains a patch for the issue.

Frequently asked questions

What is CVE-2024-55659?: SiYuan is a personal knowledge management system. Prior to version 3.1.16, the `/api/asset/upload` endpoint in Siyuan is vulnerable to both arbitrary file write to the host and stored cross-site scripting (via the file write). Version 3.1.16 contains a patch for the issue.
How severe is CVE-2024-55659?: CVE-2024-55659 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-55659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-55659?: CVE-2024-55659 affects B3log Siyuan. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-55659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-55659 have an EU (EUVD) identifier?: Yes. CVE-2024-55659 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3467.
When was CVE-2024-55659 published?: CVE-2024-55659 was published on 2024-12-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:b3log:siyuan:3.1.15:-:*:*:*:*:*:*

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