What is the CVSS score of CVE-2022-29255?

CVE-2022-29255 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: 1.2%.

Is there a public PoC exploit available for CVE-2022-29255?

Yes, a public proof-of-concept exploit is available for CVE-2022-29255. Prioritise patching immediately. EPSS: 1.2%.

Is there a patch available for CVE-2022-29255?

Yes, a patch is available for CVE-2022-29255. Update the affected software to the latest version immediately.

Vyper CVE-2022-29255

HIGH

Always-Incorrect Control Flow Implementation (CWE-670)

2022-06-09 security-advisories@github.com

Information Disclosure 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

Jun 09, 2022 - 09:15 nvd

HIGH 7.5

DescriptionNVD

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4.

AnalysisAI

Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. 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-670. Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions prior to 0.3.4 when a calling an external contract with no return value, the contract address (including side effects) could be evaluated twice. This may result in incorrect outcomes for contracts. This issue has been addressed in v0.3.4. Affected products include: Vyperlang Vyper. Version information: prior to 0.3.4.

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.