CVE-2020-27484
CVSS V2 Medium 6.5
CVSS V3 Critical 9.9
Description
Garmin Forerunner 235 before 8.20 is affected by: Integer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ application to the ConnectIQ store. The ConnectIQ program interpreter fails to check for overflow when allocating the array for the NEWA instruction. This a constrained read/write primitive across the entire MAX32630 address space. A successful exploit would allow a ConnectIQ app store application to escape and perform activities outside the restricted application execution environment.
Overview
- CVE ID
- CVE-2020-27484
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-11-16T21:15:13
- Last Modified Date
- 2020-12-02T15:02:08
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:o:garmin:forerunner_235_firmware:*:*:*:*:*:*:*:* | 1 | OR | 7.90 | 8.20 |
| cpe:2.3:h:garmin:forerunner_235:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 6.5
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.9
- Base Severity
- CRITICAL
- Exploitability Score
- 3.1
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md | Exploit Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27484 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27484 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:31:41 | Added to TrackCVE | |||
| 2022-12-05 16:55:20 | 2020-11-16T21:15Z | 2020-11-16T21:15:13 | CVE Published Date | updated |
| 2022-12-05 16:55:20 | 2020-12-02T15:02:08 | CVE Modified Date | updated | |
| 2022-12-05 16:55:20 | Analyzed | Vulnerability Status | updated |