How severe is CVE-2022-4800?

CVE-2022-4800 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2022-4800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4800?

CVE-2022-4800 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4800?

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

When was CVE-2022-4800 published?

CVE-2022-4800 was published on 2022-12-28 and last updated on 2026-06-17.

CVE-2022-4800

CVE-2022-4800 is a medium-severity vulnerability in Usememos Memos with a CVSS 3.x base score of 6.5. 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-940.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-940
Affected product: Usememos Memos
Published: 2022-12-28
Last modified: 2026-06-17

Description

Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.

Frequently asked questions

What is CVE-2022-4800?: Improper Verification of Source of a Communication Channel in GitHub repository usememos/memos prior to 0.9.1.
How severe is CVE-2022-4800?: CVE-2022-4800 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2022-4800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4800?: CVE-2022-4800 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-4800 published?: CVE-2022-4800 was published on 2022-12-28 and last updated on 2026-06-17.

References

Affected products (1)

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

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