CVE-2020-35517
CVSS V2 Medium 4.6
CVSS V3 High 8.2
Description
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
Overview
- CVE ID
- CVE-2020-35517
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2021-01-28T20:15:12
- Last Modified Date
- 2023-02-12T23:41:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | 1 | OR | 5.0.0 | 5.2.50 |
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:H/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.2
- Base Severity
- HIGH
- Exploitability Score
- 1.5
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://access.redhat.com/errata/RHBA-2021:0639 | |
| https://access.redhat.com/errata/RHSA-2021:0711 | |
| https://access.redhat.com/errata/RHSA-2021:0743 | |
| https://access.redhat.com/security/cve/CVE-2020-35517 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1915823 | Issue Tracking Patch Third Party Advisory |
| https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c | Patch Third Party Advisory |
| https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html | Exploit Mailing List Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202208-27 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20210312-0002/ | Third Party Advisory |
| https://virtio-fs.gitlab.io/ | |
| https://www.openwall.com/lists/oss-security/2021/01/22/1 | Exploit Mailing List Patch Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-35517 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35517 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:08:31 | Added to TrackCVE | |||
| 2022-12-05 21:03:26 | 2021-01-28T20:15Z | 2021-01-28T20:15:12 | CVE Published Date | updated |
| 2022-12-05 21:03:26 | 2022-09-30T12:50:01 | CVE Modified Date | updated | |
| 2022-12-05 21:03:26 | Analyzed | Vulnerability Status | updated | |
| 2022-12-05 21:03:31 | References | updated | ||
| 2023-02-02 23:11:27 | 2023-02-02T21:20:48 | CVE Modified Date | updated | |
| 2023-02-02 23:11:27 | Analyzed | Modified | Vulnerability Status | updated |
| 2023-02-02 23:11:28 | A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. | A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. | Description | updated |
| 2023-02-02 23:11:28 | References | updated | ||
| 2023-02-13 01:11:25 | 2023-02-12T23:41:03 | CVE Modified Date | updated | |
| 2023-02-13 01:11:25 | A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. | A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices. | Description | updated |