CVE-2020-29040
CVSS V2 Medium 4.6
CVSS V3 High 8.8
Description
An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one error. NOTE: this issue is caused by an incorrect fix for CVE-2020-27671.
Overview
- CVE ID
- CVE-2020-29040
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-11-24T17:15:11
- Last Modified Date
- 2022-04-26T16:34:17
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | 1 | OR | 4.14.0 |
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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://xenbits.xen.org/xsa/advisory-355.html | Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2021/01/19/4 | Mailing List Third Party Advisory |
| http://xenbits.xen.org/xsa/advisory-355.html | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-29040 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29040 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:26:25 | Added to TrackCVE | |||
| 2022-12-05 17:16:18 | 2020-11-24T17:15Z | 2020-11-24T17:15:11 | CVE Published Date | updated |
| 2022-12-05 17:16:18 | 2022-04-26T16:34:17 | CVE Modified Date | updated | |
| 2022-12-05 17:16:18 | Analyzed | Vulnerability Status | updated |