CVE-2021-45450

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2021-45450
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45450.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-45450
Downstream
Related
Published
2021-12-21T07:15:06.727Z
Modified
2026-04-10T04:41:10.987353Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psaciphergenerateiv and psacipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

References

Affected packages

Git / github.com/armmbed/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/armmbed/mbedtls
Events
Introduced
ac15f842a5bb8d4cbceb7175c5d7ab50d96173c0
Fixed
8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
8df2f8e7b9c7bb9390ac74bb7bace27edca81a2b
Database specific 
{
    "versions": [
        {
            "introduced": "2.22.0"
        },
        {
            "fixed": "2.28.0"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.0.0"
        }
    ]
}
Type
GIT
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8b3f26a5ac38d4fdccbc5c5366229f3e01dafcc0
Fixed
d65aeb37349ad1a50e0f6c9b694d4b5290d60e49

Affected versions

Other
beta-oob-2
mbedos-release-15-11
mbedos-techcon-oob2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.2
mbedtls-2.10.0
mbedtls-2.11.0
mbedtls-2.12.0
mbedtls-2.13.0
mbedtls-2.13.1
mbedtls-2.14.0
mbedtls-2.16.0
mbedtls-2.19.0
mbedtls-2.19.0d1
mbedtls-2.19.0d2
mbedtls-2.19.1
mbedtls-2.2.0
mbedtls-2.2.1
mbedtls-2.20.0
mbedtls-2.20.0d0
mbedtls-2.21.0
mbedtls-2.22.0d0
mbedtls-2.24.0
mbedtls-2.26.0
mbedtls-2.3.0
mbedtls-2.4.0
mbedtls-2.5.0
mbedtls-2.5.1
mbedtls-2.6.0
mbedtls-2.6.0-rc1
mbedtls-2.7.0
mbedtls-2.7.0-rc1
mbedtls-2.8.0
mbedtls-2.8.0-rc1
mbedtls-2.9.0
mbedtls-3.*
mbedtls-3.0.0
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9
v2.*
v2.24.0
v2.26.0
v3.*
v3.0.0
yotta-2.*
yotta-2.3.1

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "36"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "37"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45450.json"