Vulnerability in Wolfssl

CVE-2020-11713

wolfSSL 4.3.0 has mulmod code in wc_ecc_mulmod_ex in ecc.c that does not properly resist timing side-channel attacks.

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Wolfssl — versions 4.3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-11713?: CVE-2020-11713 is a high-severity vulnerability in Wolfssl, classified under Observable Discrepancy. CVSS score: 7.5/10. Published 2020-04-12.
How severe is CVE-2020-11713?: High severity. CVSS v3 base score is 7.5 out of 10.