CVE-2021-31427: Parallels Desktop OTG Time-Of-Check Time-Of-Use Information Disclosure Vulnerability
First published: Thu Apr 29 2021(Updated: )
This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309. An attacker must first obtain the ability to execute low-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Open Tools Gate component. The issue results from the lack of proper locking when performing operations on an object. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-13082.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Parallels Desktop | ||
| Parallels Parallels Desktop | =15.1.5-47309 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2021-31427?
CVE-2021-31427 is a vulnerability that allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.5-47309.
How severe is CVE-2021-31427?
CVE-2021-31427 has a severity rating of 7.3 (high).
How can a local attacker exploit CVE-2021-31427?
To exploit CVE-2021-31427, a local attacker must first obtain the ability to execute low-privileged code on the target guest system.
What software versions are affected by CVE-2021-31427?
CVE-2021-31427 affects installations of Parallels Desktop 15.1.5-47309.
How can I fix CVE-2021-31427?
To fix CVE-2021-31427, users should update to a non-vulnerable version of Parallels Desktop.
- collector/nvd-index
- agent/references
- agent/weakness
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/title
- agent/last-modified-date
- agent/severity
- agent/description
- agent/first-publish-date
- agent/softwarecombine
- agent/event
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-435
- alias/ZDI-CAN-13082
- alias/CVE-2021-31427
- agent/software-canonical-lookup
- vendor/parallels
- canonical/parallels parallels desktop
- version/parallels parallels desktop/15.1.5-47309
- canonical/parallels desktop