What is the CVSS score of CVE-2021-45711?

CVE-2021-45711 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:N/A:H. EPSS exploitation probability: 1.3%.

Is there a patch available for CVE-2021-45711?

Yes, a patch is available for CVE-2021-45711. Update the affected software to the latest version immediately.

Simple Asn1 CVE-2021-45711

HIGH

Improper Input Validation (CWE-20)

2021-12-27 cve@mitre.org

Information Disclosure Simple Asn1

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:N/A:H

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:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 27, 2021 - 00:15 nvd

HIGH 7.5

DescriptionNVD

An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. There is a panic if UTCTime data, supplied by a remote attacker, has a second character greater than 0x7f.

AnalysisAI

An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. An issue was discovered in the simple_asn1 crate 0.6.0 before 0.6.1 for Rust. There is a panic if UTCTime data, supplied by a remote attacker, has a second character greater than 0x7f. Affected products include: Simple Asn1 Project Simple Asn1. Version information: before 0.6.1.

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.