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CVE-2022-4803

25
FAUCET Score

CVE-2022-4803 is an authorization bypass vulnerability affecting usememos/memos versions prior to 0.9.1, allowing attackers to gain unauthorized access through a user-controlled key. With a CVSS score of 8.8 (High), this vulnerability is easily exploitable over the network with low privileges, potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.1CPE matchmatch criteria
cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.81%
Probability of exploitation in next 30 days
EPSS Percentile
53.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0081 is in the 47th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/usememos/memosFixed in: 0.9.1

Vendor Advisories (1)

goGHSA-mfmp-8mqg-q4wmhigh

usememos/memos Improper Access Control vulnerability

Dec 28, 2022

References

github.com / usememos/memos/commit/3556ae4e651d9443dc3bb8a170dd3cc726517a53
PatchThird Party Advisory
huntr.dev / bounties/0fba72b9-db10-4d9f-a707-2acf2004a286
ExploitPatchThird Party Advisory