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CVE-2023-33959

27
FAUCET Score

CVE-2023-33959 affects the notation-go library, a CLI tool for signing and verifying OCI artifacts, allowing a compromised registry to trick users into verifying incorrect artifacts. This high-severity vulnerability (CVSS 8.8) has a network attack vector with low complexity, requiring user interaction, and can lead to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.0.0CPE matchmatch criteria
cpe:2.3:a:notaryproject:notation-go:*:*:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc1:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc2:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc3:*:*:*:*:*:*
1.0.0CPE matchmatch criteria
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.3HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
28.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 32nd percentile among its peer group of 14,855 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: github.com/notaryproject/notation-goFixed in: 1.0.0-rc.6
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-xhg5-42rf-296rhigh

notation-go's verification bypass can cause users to verify the wrong artifact

Jun 6, 2023

References

github.com / notaryproject/notation-go/security/advisories/GHSA-xhg5-42rf-296r
Vendor Advisory