How severe is CVE-2023-33959?

CVE-2023-33959 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33959 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33959?

CVE-2023-33959 primarily affects Notaryproject Notation-go. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33959?

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-2023-33959 published?

CVE-2023-33959 was published on 2023-06-06 and last updated on 2026-06-17.

CVE-2023-33959

CVE-2023-33959 is a high-severity vulnerability in Notaryproject Notation-go with a CVSS 3.x base score of 8.3. 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-347.

Key facts

Severity: High (CVSS 3.x base score 8.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-347
Affected product: Notaryproject Notation-go
Published: 2023-06-06
Last modified: 2026-06-17

Description

notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a registry can cause users to verify the wrong artifact. The problem has been fixed in the release v1.0.0-rc.6. Users should upgrade their notation-go library to v1.0.0-rc.6 or above. Users unable to upgrade may restrict container registries to a set of secure and trusted container registries.

Frequently asked questions

What is CVE-2023-33959?: notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a registry can cause users to verify the wrong artifact. The problem has been fixed in the release v1.0.0-rc.6. Users should upgrade their notation-go library to v1.0.0-rc.6 or above. Users unable to upgrade may restrict container registries to a set of secure and trusted container registries.
How severe is CVE-2023-33959?: CVE-2023-33959 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33959 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33959?: CVE-2023-33959 primarily affects Notaryproject Notation-go. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33959?: 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-2023-33959 published?: CVE-2023-33959 was published on 2023-06-06 and last updated on 2026-06-17.

References

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

Affected products (6)

cpe:2.3:a:notaryproject:notation-go:*:*:*:*:*:*:*:*
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc4:*:*:*:*:*:*
cpe:2.3:a:notaryproject:notation-go:1.0.0:rc5:*:*:*:*:*:*

More vulnerabilities in Notaryproject Notation-go

CVE-2023-25656 — High (CVSS 7.5): notation-go is a collection of libraries for supporting Notation sign, verify, push, and pull of oci artifacts. Prior…
CVE-2023-33958 — Medium (CVSS 5.4): notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a…
CVE-2024-23332 — Medium (CVSS 4.0): The Notary Project is a set of specifications and tools intended to provide a cross-industry standard for securing…
CVE-2024-51491 — Low (CVSS 3.3): notion-go is a collection of libraries for supporting sign and verify OCI artifacts. Based on Notary Project…
CVE-2023-33957 — Low (CVSS 2.6): notation is a CLI tool to sign and verify OCI artifacts and container images. An attacker who has compromised a…

All CVEs affecting Notaryproject Notation-go →

Other CWE-347 (Improper Verification of Cryptographic Signature) vulnerabilities

CVE-2026-48558 — Critical (CVSS 10.0): SimpleHelp versions 5.5.15 and prior and 6.0 pre-release versions contain an authentication bypass vulnerability in the…
CVE-2023-25574 — Critical (CVSS 10.0): `jupyterhub-ltiauthenticator` is a JupyterHub authenticator for learning tools interoperability (LTI).…
CVE-2024-45409 — Critical (CVSS 10.0): The Ruby SAML library is for implementing the client side of a SAML authorization. Ruby-SAML in <= 12.2 and 1.13.0 <=…
CVE-2024-32962 — Critical (CVSS 10.0): xml-crypto is an xml digital signature and encryption library for Node.js. In affected versions the default…
CVE-2022-24884 — Critical (CVSS 10.0): ecdsautils is a tiny collection of programs used for ECDSA (keygen, sign, verify). `ecdsa_verify_[prepare_]legacy()`…
CVE-2021-33885 — Critical (CVSS 10.0): An Insufficient Verification of Data Authenticity vulnerability in B. Braun SpaceCom2 prior to 012U000062 allows a…

Browse all CWE-347 (Improper Verification of Cryptographic Signature) vulnerabilities →