CVE-2020-14993
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
A stack-based buffer overflow on DrayTek Vigor2960, Vigor3900, and Vigor300B devices before 1.5.1.1 allows remote attackers to execute arbitrary code via the formuserphonenumber parameter in an authusersms action to mainfunction.cgi.
Overview
- CVE ID
- CVE-2020-14993
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-06-23T12:15:13
- Last Modified Date
- 2020-06-29T16:53:40
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:draytek:vigor300b_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.5.1.1 | |
| cpe:2.3:h:draytek:vigor300b:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:draytek:vigor2960_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.5.1.1 | |
| cpe:2.3:h:draytek:vigor2960:-:*:*:*:*:*:*:* | 0 | OR | ||
| AND | ||||
| cpe:2.3:o:draytek:vigor3900_firmware:*:*:*:*:*:*:*:* | 1 | OR | 1.5.1.1 | |
| cpe:2.3:h:draytek:vigor3900:-:*:*:*:*:*:*:* | 0 | 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://github.com/dexterone/Vigor-poc | Exploit Third Party Advisory |
| https://www.draytek.com/about/security-advisory | Vendor Advisory |
| https://www.draytek.com/about/security-advisory/vigor3900-/-vigor2960-/-vigor300b-stack-based-buffer-overflow-vulnerability-(cve-2020-14473) | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-14993 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14993 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:41:48 | Added to TrackCVE | |||
| 2022-12-04 18:37:25 | 2020-06-23T12:15Z | 2020-06-23T12:15:13 | CVE Published Date | updated |
| 2022-12-04 18:37:25 | 2020-06-29T16:53:40 | CVE Modified Date | updated | |
| 2022-12-04 18:37:25 | Analyzed | Vulnerability Status | updated |