CVE-2020-26200
CVSS V2 Medium 4.6
CVSS V3 Medium 6.8
Description
A component of Kaspersky custom boot loader allowed loading of untrusted UEFI modules due to insufficient check of their authenticity. This component is incorporated in Kaspersky Rescue Disk (KRD) and was trusted by the Authentication Agent of Full Disk Encryption in Kaspersky Endpoint Security (KES). This issue allowed to bypass the UEFI Secure Boot security feature. An attacker would need physical access to the computer to exploit it. Otherwise, local administrator privileges would be required to modify the boot loader component.
Overview
- CVE ID
- CVE-2020-26200
- Assigner
- vulnerability@kaspersky.com
- Vulnerability Status
- Analyzed
- Published Version
- 2021-02-26T14:15:12
- Last Modified Date
- 2021-07-21T11:39:23
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:kaspersky:endpoint_security:10:sp2_mr2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:kaspersky:endpoint_security:10:sp2_mr3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:kaspersky:endpoint_security:11.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:kaspersky:endpoint_security:11.0.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:kaspersky:endpoint_security:11.1.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:kaspersky:rescue_disk:*:*:*:*:*:*:*:* | 1 | OR | 18.0.11.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 4.6
- Severity
- MEDIUM
- Exploitability Score
- 3.9
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- PHYSICAL
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 6.8
- Base Severity
- MEDIUM
- Exploitability Score
- 0.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://support.kaspersky.com/general/vulnerability.aspx?el=12430#170221 | Broken Link |
| https://github.com/CVEProject/cvelist/blob/master/2020/26xxx/CVE-2020-26200.json | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-26200 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26200 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:04:06 | Added to TrackCVE | |||
| 2022-12-05 22:52:15 | 2021-02-26T14:15Z | 2021-02-26T14:15:12 | CVE Published Date | updated |
| 2022-12-05 22:52:15 | 2021-07-21T11:39:23 | CVE Modified Date | updated | |
| 2022-12-05 22:52:15 | Analyzed | Vulnerability Status | updated |