What’s Vulnerable › Vulnerabilities

CVE-2019-16129

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-10-22 · updated 2026-06-17
• Weakness: CWE-120

Description

Microchip CryptoAuthentication Library CryptoAuthLib prior to 20191122 has a Buffer Overflow (issue 2 of 2).

Affected products

• Microchip Cryptoauthlib: before 20191122 — fixed in 20191122

How to fix

Upgrade to a fixed version: Microchip Cryptoauthlib 20191122. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2020/10/22/1
• https://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_genkey_base-buffer-overflow/
• https://www.microchip.com/design-centers/security-ics/cryptoauthentication
• http://www.openwall.com/lists/oss-security/2020/10/22/1
• https://census-labs.com/news/2020/10/21/microchip-cryptoauthlib-atcab_genkey_base-buffer-overflow/
• https://www.microchip.com/design-centers/security-ics/cryptoauthentication

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