CVE-2020-23921
CVSS V2 Medium 5.8
CVSS V3 High 7.1
Description
An issue was discovered in fast_ber through v0.4. yy::yylex() in asn_compiler.hpp has a heap-based buffer over-read.
Overview
- CVE ID
- CVE-2020-23921
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-21T18:15:08
- Last Modified Date
- 2022-10-26T13:49:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:fast_ber_project:fast_ber:*:*:*:*:*:*:*:* | 1 | OR | 0.4 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 5.8
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.1
- Base Severity
- HIGH
- Exploitability Score
- 1.8
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| https://cwe.mitre.org/data/definitions/126.html | Technical Description |
| https://github.com/Samuel-Tyler/fast_ber/issues/30 | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-23921 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-23921 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:14:00 | Added to TrackCVE | |||
| 2022-12-06 02:13:04 | 2021-04-21T18:15Z | 2021-04-21T18:15:08 | CVE Published Date | updated |
| 2022-12-06 02:13:05 | 2022-10-26T13:49:04 | CVE Modified Date | updated | |
| 2022-12-06 02:13:05 | Analyzed | Vulnerability Status | updated | |
| 2022-12-06 02:13:09 | References | updated |