What is the CVSS score of CVE-2023-30837?

CVE-2023-30837 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2023-30837?

Yes, a public proof-of-concept exploit is available for CVE-2023-30837. Prioritise patching immediately. EPSS: 0.7%.

Is there a patch available for CVE-2023-30837?

Yes, a patch is available for CVE-2023-30837. Update the affected software to the latest version immediately.

Vyper CVE-2023-30837

HIGH

Memory Allocation with Excessive Size Value (CWE-789)

2023-05-08 security-advisories@github.com

Buffer Overflow Vyper

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

May 08, 2023 - 17:15 nvd

HIGH 7.5

DescriptionNVD

Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8.

AnalysisAI

Vyper is a pythonic smart contract language for the EVM. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-789. Vyper is a pythonic smart contract language for the EVM. The storage allocator does not guard against allocation overflows in versions prior to 0.3.8. An attacker can overwrite the owner variable. This issue was fixed in version 0.3.8. Affected products include: Vyperlang Vyper. Version information: prior to 0.3.8..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.