An issue was discovered in Arm Mbed TLS before 2.24.0.
Priority LOW 22CWE-203Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-203.
Summary
An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.
Why it matters now
EPSS 0.0035 28th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36424
- 2026-10-03 Alias added: GHSA-999g-vph2-wr2c
References
Advisory 5
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
- [debian-lts-announce] 20221225 [SECURITY] [DLA 3249-1] mbedtls security update
Sources
- CVE-2020-36424 · CVE Program
- CVE-2020-36424 · NVD
- FIRST EPSS
- GHSA-999g-vph2-wr2c · GitHub Advisory Database · CC BY 4.0
- CVE-2020-36424 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences