CVE-2020-27661
CVSS V2 Low 2.1
CVSS V3 Medium 6.5
Description
A divide-by-zero issue was found in dwc2_handle_packet in hw/usb/hcd-dwc2.c in the hcd-dwc2 USB host controller emulation of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.
Overview
- CVE ID
- CVE-2020-27661
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-02T16:15:08
- Last Modified Date
- 2022-05-13T17:28:54
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* | 1 | OR | 5.1.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:L/Au:N/C:N/I:N/A:P
- Access Vector
- LOCAL
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 2.1
- Severity
- LOW
- Exploitability Score
- 3.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2
- Impact Score
- 4
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mail-archive.com/debian-bugs-dist@lists.debian.org/msg1770368.html | Patch Third Party Advisory |
| https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg04263.html | Mailing List Patch Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1890653 | Issue Tracking Patch Third Party Advisory |
| https://git.qemu.org/?p=qemu.git;a=commit;h=bea2a9e3e00b275dc40cfa09c760c715b8753e03 | Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20210720-0010/ |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-27661 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27661 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 07:06:32 | Added to TrackCVE | |||
| 2022-12-05 03:26:39 | 2021-06-02T16:15Z | 2021-06-02T16:15:08 | CVE Published Date | updated |
| 2022-12-05 03:26:39 | 2022-05-13T17:28:54 | CVE Modified Date | updated | |
| 2022-12-05 03:26:39 | Analyzed | Vulnerability Status | updated |