What is the CVSS score of CVE-2021-23426?

CVE-2021-23426 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: 0.9%.

Is there a public PoC exploit available for CVE-2021-23426?

Yes, a public proof-of-concept exploit is available for CVE-2021-23426. Prioritise patching immediately. EPSS: 0.9%.

Proto CVE-2021-23426

HIGH

2021-09-01 report@snyk.io

Code Injection Proto

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

Sep 01, 2021 - 15:15 nvd

HIGH 7.5

DescriptionNVD

This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function.

AnalysisAI

This affects all versions of package Proto. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This affects all versions of package Proto. It is possible to inject pollute the object property of an application using Proto by leveraging the merge function. Affected products include: Proto Project Proto.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.