What is CVE-2020-11735?

CVE-2020-11735 is a medium-severity vulnerability in Wolfssl, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-06-25.

How severe is CVE-2020-11735?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Wolfssl

CVE-2020-11735

The private-key operations in ecc.c in wolfSSL before 4.4.0 do not use a constant-time modular inverse when mapping to affine coordinates, aka a "projective coordinates leak."

EPSS: 0.013 (67.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wolfssl
N/a — versions n/a

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)

Frequently asked questions

What is CVE-2020-11735?: CVE-2020-11735 is a medium-severity vulnerability in Wolfssl, classified under Observable Discrepancy. CVSS score: 5.3/10. Published 2020-06-25.
How severe is CVE-2020-11735?: Medium severity. CVSS v3 base score is 5.3 out of 10.