CVE-2019-20021
CVSS V2 Medium 4.3
CVSS V3 Medium 5.5
Description
A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.
Overview
- CVE ID
- CVE-2019-20021
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2019-12-27T02:15:10
- Last Modified Date
- 2023-01-20T15:47:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:upx_project:upx:3.95:*:*:*:*:*:*:* | 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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-20021 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20021 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:36:38 | Added to TrackCVE | |||
| 2022-12-04 08:40:23 | 2019-12-27T02:15Z | 2019-12-27T02:15:10 | CVE Published Date | updated |
| 2022-12-04 08:40:23 | 2020-08-24T17:37:01 | CVE Modified Date | updated | |
| 2022-12-04 08:40:23 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-20 17:08:53 | 2023-01-20T15:47:23 | CVE Modified Date | updated | |
| 2023-01-20 17:08:53 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |