Is CVE-2020-13132 in the CISA KEV catalog?

No. CVE-2020-13132 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-13132?

CVE-2020-13132 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2020-13132?

CVE-2020-13132 has an EPSS score of 0.64% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-13132?

Upgrade yubico-piv-tool on debian 11 to 2.1.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-13132

MEDIUM

4.6

CVSS v3

NVD

Description

An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.

CWE-763

How to fix

Remediation Available

yubico-piv-toolDebian

Fixed in:2.1.1-1CVE-2020-13132

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.64%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

Exploit1

blog.inhq.net

Vendor Advisory1

yubico.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.