8.8

CVE-2022-4809: usememos memos Improper Access Control

CVSS: 8.8v3.1HighModified
AliasesGHSA-6w5w-wx8w-2cq9GO-2022-1252
Published 28-12-2022Last modified 10-04-2025
Open JSON

Vulnerability summary

CVE-2022-4809 is a high (CVSS 8.8) Improper Access Control vulnerability in usememos memos. EPSS estimates a 0.94% chance of exploitation in the next 30 days, higher than 60.2% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
45/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
0.94%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 28-12-2022
    PublishedVulnerability first disclosed.
  2. 10-04-2025
    Last modifiedVulnerability information updated.

Description

Improper Access Control in GitHub repository usememos/memos prior to 0.9.1.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.94%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

+0.03 pp

From 0.91% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (huntr.dev)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Usememos2 products
Github.com/usememos1 product
  • memos< 0.9.1

2 vendors · 3 products

References

5 links