CVE-2021-44732
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.
Overview
- CVE ID
- CVE-2021-44732
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-20T08:15:06
- Last Modified Date
- 2023-02-24T00:09:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | 1 | OR | 2.16.12 | |
| cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* | 1 | OR | 2.17.0 | 2.28.0 |
| cpe:2.3:a:arm:mbed_tls:3.0.0:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:arm:mbed_tls:3.0.0:preview1:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.gentoo.org/829660 | Issue Tracking Mailing List Third Party Advisory |
| https://github.com/ARMmbed/mbedtls/releases | Release Notes Third Party Advisory |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.12 | Release Notes Third Party Advisory |
| https://github.com/ARMmbed/mbedtls/releases/tag/v2.28.0 | Release Notes Third Party Advisory |
| https://github.com/ARMmbed/mbedtls/releases/tag/v3.1.0 | Release Notes Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html | |
| https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2021-12 | Exploit Mitigation Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-44732 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44732 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:09 | Added to TrackCVE | |||
| 2022-12-06 04:21:16 | 2021-12-20T08:15Z | 2021-12-20T08:15:06 | CVE Published Date | updated |
| 2022-12-06 04:21:16 | 2021-12-29T18:48:39 | CVE Modified Date | updated | |
| 2022-12-06 04:21:16 | Analyzed | Vulnerability Status | updated | |
| 2022-12-26 04:14:02 | 2022-12-26T03:15:11 | CVE Modified Date | updated | |
| 2022-12-26 04:14:02 | Analyzed | Modified | Vulnerability Status | updated |
| 2022-12-26 04:14:03 | References | updated | ||
| 2022-12-27 17:13:10 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-24 01:12:25 | 2023-02-24T00:09:21 | CVE Modified Date | updated | |
| 2023-02-24 01:12:25 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |