CVE-2020-36425
published 2021-07-19CVE-2020-36425: An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a…
PriorityP426medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
0.91%
55.4th percentile
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
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
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_msrc5.3MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
GHSA
GHSA-jxq2-j93q-943x: An issue was discovered in Arm Mbed TLS before 2
ghsa_unreviewed·2022-05-24
CVE-2020-36425 [MEDIUM] CWE-295 GHSA-jxq2-j93q-943x: An issue was discovered in Arm Mbed TLS before 2
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
OSV
CVE-2020-36425: An issue was discovered in Arm Mbed TLS before 2
osv·2021-07-19·CVSS 5.3
CVE-2020-36425 [MEDIUM] CVE-2020-36425: An issue was discovered in Arm Mbed TLS before 2
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
Microsoft
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can e
vendor_msrc·2021-07-13·CVSS 5.3
CVE-2020-36425 [MEDIUM] CWE-295 An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can e
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
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 pr
Debian
CVE-2020-36425: mbedtls - An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a rev...
vendor_debian·2020·CVSS 5.3
CVE-2020-36425 [MEDIUM] CVE-2020-36425: mbedtls - An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a rev...
An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
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/issues/3340https://github.com/ARMmbed/mbedtls/pull/3433https://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://bugs.gentoo.org/740108https://github.com/ARMmbed/mbedtls/issues/3340https://github.com/ARMmbed/mbedtls/pull/3433https://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.html
2021-07-19
Published