How severe is CVE-2022-4688?

CVE-2022-4688 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4688 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4688?

CVE-2022-4688 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4688?

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.

When was CVE-2022-4688 published?

CVE-2022-4688 was published on 2022-12-23 and last updated on 2026-06-17.

CVE-2022-4688

CVE-2022-4688 is a high-severity vulnerability in Usememos Memos with a CVSS 3.x base score of 8.8. 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-285.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Usememos Memos
Published: 2022-12-23
Last modified: 2026-06-17

Description

Improper Authorization in GitHub repository usememos/memos prior to 0.9.0.

Frequently asked questions

What is CVE-2022-4688?: Improper Authorization in GitHub repository usememos/memos prior to 0.9.0.
How severe is CVE-2022-4688?: CVE-2022-4688 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4688 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4688?: CVE-2022-4688 affects Usememos Memos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4688?: 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.
When was CVE-2022-4688 published?: CVE-2022-4688 was published on 2022-12-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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