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Case File

CVE-2021-32489

MEDIUM · CVSS 4.4 EPSS 0.92%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-10 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.4. It affects OpenSSL.

CVE
CVE-2021-32489
Severity
MEDIUM
CVSS
4.4
EPSS
0.92%
OpenSSL

Original NVD Description

An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3. The function does not correctly validate the embedded length field of an authenticated message received from the device because response_msg.st.len=8 can be accepted but triggers an integer overflow, which causes CRYPTO_cbc128_decrypt (in OpenSSL) to encounter an undersized buffer and experience a segmentation fault. The yubihsm-shell project is included in the YubiHSM 2 SDK product.

Related CVEs

Other vulnerabilities affecting the same vendor(s)