How severe is CVE-2024-41659?

CVE-2024-41659 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-41659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-41659?

CVE-2024-41659 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-41659?

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-2024-41659 have an EU (EUVD) identifier?

Yes. CVE-2024-41659 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2620.

When was CVE-2024-41659 published?

CVE-2024-41659 was published on 2024-08-20 and last updated on 2026-06-17.

CVE-2024-41659

CVE-2024-41659 is a high-severity vulnerability in Usememos Memos with a CVSS 3.x base score of 8.1. 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-942.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2620
Weakness: CWE-942
Affected product: Usememos Memos
Published: 2024-08-20
Last modified: 2026-06-17

Description

memos is a privacy-first, lightweight note-taking service. A CORS misconfiguration exists in memos 0.20.1 and earlier where an arbitrary origin is reflected with Access-Control-Allow-Credentials set to true. This may allow an attacking website to make a cross-origin request, allowing the attacker to read private information or make privileged changes to the system as the vulnerable user account. This vulnerability is fixed in 0.21.0.

Frequently asked questions

What is CVE-2024-41659?: memos is a privacy-first, lightweight note-taking service. A CORS misconfiguration exists in memos 0.20.1 and earlier where an arbitrary origin is reflected with Access-Control-Allow-Credentials set to true. This may allow an attacking website to make a cross-origin request, allowing the attacker to read private information or make privileged changes to the system as the vulnerable user account. This vulnerability is fixed in 0.21.0.
How severe is CVE-2024-41659?: CVE-2024-41659 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-41659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-41659?: CVE-2024-41659 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-41659?: 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-2024-41659 have an EU (EUVD) identifier?: Yes. CVE-2024-41659 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2620.
When was CVE-2024-41659 published?: CVE-2024-41659 was published on 2024-08-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*

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CVE-2022-4866 — Critical (CVSS 9.0): Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.
CVE-2022-4865 — Critical (CVSS 9.0): Cross-site Scripting (XSS) - Stored in GitHub repository usememos/memos prior to 0.9.1.

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Other CWE-942 vulnerabilities

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