CVEvulnerability
CVE-2020-15309
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-08-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.9 MEDIUM — AV:L/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-362
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).
Affected configurations
• wolfssl wolfssl (< 4.5.0)
Related
Weakness · CWE (1)
- CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
References
- https://arxiv.org/abs/2008.12188 Exploit, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable Third Party Advisory
- https://arxiv.org/abs/2008.12188 Exploit, Third Party Advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable Third Party Advisory