What is the CVSS score of CVE-2021-26308?

CVE-2021-26308 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:H/I:N/A:N. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2021-26308?

Yes, a public proof-of-concept exploit is available for CVE-2021-26308. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2021-26308?

Yes, a patch is available for CVE-2021-26308. Update the affected software to the latest version immediately.

Marc CVE-2021-26308

HIGH

2021-01-29 cve@mitre.org

Information Disclosure Marc

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:H/I:N/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:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jan 29, 2021 - 03:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in the marc crate before 2.0.0 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated memory, violating soundness.

AnalysisAI

An issue was discovered in the marc crate before 2.0.0 for Rust. 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

An issue was discovered in the marc crate before 2.0.0 for Rust. A user-provided Read implementation can gain access to the old contents of newly allocated memory, violating soundness. Affected products include: Marc Project Marc. Version information: before 2.0.0.

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.