CVE-2020-36421

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Source
https://cve.org/CVERecord?id=CVE-2020-36421
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36421.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-36421
Downstream
Published
2021-07-19T17:15:11.133Z
Modified
2026-03-13T11:34:38.091828Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed.

References

Affected packages

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
abc460236f17be148036e2c7e07e6a05f938b656
Introduced
3f8d78411a26e833db18d9fbde0e2f0baeda87f0
Fixed
3ede1737dc471199bf8d5d3824ee2545c11a497e
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.16.7"
        },
        {
            "introduced": "2.17.0"
        },
        {
            "fixed": "2.23.0"
        }
    ]
}
Type
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
abc460236f17be148036e2c7e07e6a05f938b656
Fixed
3ede1737dc471199bf8d5d3824ee2545c11a497e

Affected versions

mbedtls-2.*
mbedtls-2.17.0
mbedtls-2.18.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.20.0d1
mbedtls-2.21.0
mbedtls-2.22.0
mbedtls-2.22.0d0

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "10.0"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36421.json"