VDB
CVE-2020-15309
CVE-2020-15309
PUBLISHED
CVSS 7 HIGH
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).
EPSS 0.34% · 25.2th percentile
Risk Scores
CVSS 3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.34%
25.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | wolfssl | 0, 3.4.8+dfsg-1 |
| Ubuntu:20.04:LTS | wolfssl | 4.1.0+dfsg-2, 4.2.0+dfsg-1, 4.2.0+dfsg-2 |
| Ubuntu:18.04:LTS | wolfssl | 3.10.2+dfsg-2, 3.12.2+dfsg-1, 3.13.0+dfsg-1 |
Timeline
- Aug 21, 2020 CVE Published
- Oct 28, 2020 CVE Updated
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15309 third-party-advisory
- https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15309 third-party-advisory