CVE-2020-11735

MEDIUMNVD 5.35.3—

5.3

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."

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 58.1%
KEV: Not listed

Published

June 25, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://github.com/wolfSSL/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f
cve@mitrehttps://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable
af854a3a-2127-422b-91ae-364da2661108https://github.com/wolfSSL/wolfssl/commit/1de07da61f0c8e9926dcbd68119f73230dae283f
af854a3a-2127-422b-91ae-364da2661108https://github.com/wolfSSL/wolfssl/releases/tag/v4.4.0-stable

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 01:59 UTCEG score recompute
2026-05-27 01:59 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2020-11735?

CVE-2020-11735 is a medium vulnerability published on June 25, 2020. 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."

When was CVE-2020-11735 disclosed?

CVE-2020-11735 was first published in the National Vulnerability Database on June 25, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-11735 actively exploited?

CVE-2020-11735 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-11735?

CVE-2020-11735 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2020-11735?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-11735, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2020-11735

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-11735?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)