High severity7.0NVD Advisory· Published Aug 21, 2020· Updated Jun 17, 2026
CVE-2020-15309
CVE-2020-15309
Description
An issue was discovered in wolfSSL before 4.5.0, when single precision is not employed. Local attackers can conduct a cache-timing attack against public key operations. These attackers may already have obtained sensitive information if the affected system has been used for private key operations (e.g., signing with a private key).
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Affected products
2Patches
Vulnerability mechanics
References
2- arxiv.org/abs/2008.12188nvdExploitThird Party Advisory
- github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stablenvdThird Party Advisory
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