What’s Vulnerable › Vulnerabilities

CVE-2020-11713

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-12 · updated 2026-06-17
• Weakness: CWE-203

Description

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

Affected products

• wolfSSL: 4.3.0

References

• https://gist.github.com/pietroborrello/7c5be2d1dc15349c4ffc8671f0aad04f
• https://github.com/wolfSSL/wolfssl/pull/2894/
• https://gist.github.com/pietroborrello/7c5be2d1dc15349c4ffc8671f0aad04f
• https://github.com/wolfSSL/wolfssl/pull/2894/

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