CVE-2020-15309
Last modified
CVE-2020-15309 is a high-severity vulnerability rated 7/10 on the CVSS scale. 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. EPSS estimates a 0.34% chance of exploitation in the next 30 days.
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).
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wolfssl | Wolfssl | < 4.5.0 |
References
- https://arxiv.org/abs/2008.12188Exploit, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stableThird Party Advisory
- https://arxiv.org/abs/2008.12188Exploit, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stableThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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