CVE-2020-21596
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
libde265 v1.0.4 contains a global buffer overflow in the decode_CABAC_bit function, which can be exploited via a crafted a file.
Overview
- CVE ID
- CVE-2020-21596
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-09-16T22:15:07
- Last Modified Date
- 2023-02-22T18:02:53
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:struktur:libde265:1.0.4:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/strukturag/libde265/issues/236 | Exploit Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/01/msg00020.html | |
| https://www.debian.org/security/2023/dsa-5346 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-21596 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21596 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:53:15 | Added to TrackCVE | |||
| 2022-12-05 10:47:23 | 2021-09-16T22:15Z | 2021-09-16T22:15:07 | CVE Published Date | updated |
| 2022-12-05 10:47:23 | 2022-11-02T19:48:36 | CVE Modified Date | updated | |
| 2022-12-05 10:47:23 | Analyzed | Vulnerability Status | updated | |
| 2023-01-26 22:14:04 | 2023-01-26T21:15:19 | CVE Modified Date | updated | |
| 2023-01-26 22:14:04 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-01-26 22:14:04 | References | updated | ||
| 2023-01-27 12:12:28 | Modified | Undergoing Analysis | Vulnerability Status | updated |
| 2023-02-11 15:11:28 | 2023-02-11T13:15:15 | CVE Modified Date | updated | |
| 2023-02-11 15:11:29 | References | updated | ||
| 2023-02-22 19:12:18 | 2023-02-22T18:02:53 | CVE Modified Date | updated | |
| 2023-02-22 19:12:18 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |