CVE-2020-36424
published 2021-07-19CVE-2020-36424: 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…
PriorityP419medium4.7CVSS 3.1
AVLACHPRLUINSUCHINAN
EPSS
0.34%
26.0th percentile
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.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| arm | mbed_tls | < 2.7.17 | 2.7.17 |
| arm | mbed_tls | >= 2.17.0 < 2.24.0 | 2.24.0 |
| arm | mbed_tls | >= 2.8.0 < 2.16.8 | 2.16.8 |
| debian | debian_linux | — | — |
| debian | mbedtls | < mbedtls 2.16.9-0.1 (bookworm) | mbedtls 2.16.9-0.1 (bookworm) |
| mbed | mbedtls | >= 0 < 2.16.9-0.1 | 2.16.9-0.1 |
| mbed | mbedtls | >= 0 < 2.16.9-0.1 | 2.16.9-0.1 |
| mbed | mbedtls | >= 0 < 2.16.9-0.1 | 2.16.9-0.1 |
| mbed | mbedtls | >= 0 < 2.16.9-0.1 | 2.16.9-0.1 |
| msrc | azl3_qemu_8.2.0-16_on_azure_linux_3.0 | — | — |
| msrc | cbl2_qemu_6.2.0-24_on_cbl_mariner_2.0 | — | — |
CVSS provenance
nvdv3.14.7MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
nvdv2.01.9LOWAV:L/AC:M/Au:N/C:P/I:N/A:N
osv4.7MEDIUM
vendor_debian4.7MEDIUM
vendor_msrc4.7MEDIUM
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GHSA
GHSA-999g-vph2-wr2c: An issue was discovered in Arm Mbed TLS before 2
ghsa_unreviewed·2022-05-24
CVE-2020-36424 [MEDIUM] CWE-203 GHSA-999g-vph2-wr2c: An issue was discovered in Arm Mbed TLS before 2
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.
OSV
CVE-2020-36424: An issue was discovered in Arm Mbed TLS before 2
osv·2021-07-19·CVSS 4.7
CVE-2020-36424 [MEDIUM] CVE-2020-36424: An issue was discovered in Arm Mbed TLS before 2
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.
Microsoft
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
vendor_msrc·2021-07-13·CVSS 4.7
CVE-2020-36424 [MEDIUM] CWE-203 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
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.
FAQ: Is Azure Linux the only Microsoft product that includes this open-source library and is therefore potentially affected by this vulnerability?
One of the main benefits to our customers who choose to use the Azure Linux distro is the commitment to keep it up to date with the most recent and most secure versions of the open source libraries with which the distro is composed. Microsoft is committed to transparency in this work which is why we began publishing CSAF/VEX in October 2025. See this blog post for more information. If impact to additional products is identified, we will up
Debian
CVE-2020-36424: mbedtls - An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a...
vendor_debian·2020·CVSS 4.7
CVE-2020-36424 [MEDIUM] CVE-2020-36424: mbedtls - An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a...
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.
Scope: local
bookworm: resolved (fixed in 2.16.9-0.1)
bullseye: resolved (fixed in 2.16.9-0.1)
forky: resolved (fixed in 2.16.9-0.1)
sid: resolved (fixed in 2.16.9-0.1)
trixie: resolved (fixed in 2.16.9-0.1)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://bugs.gentoo.org/740108https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlhttps://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2https://bugs.gentoo.org/740108https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17https://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlhttps://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-2
2021-07-19
Published