CVE-2022-34900
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Access 6.5.3 (39313) Agent.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Access 6.5.3 (39313) Agent. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Dispatcher service. The service loads an OpenSSL configuration file from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-15213.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.42% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-427
- Affected
- parallels/parallels access
- Source
- zdi-disclosures@trendmicro.com
References
- https://kb.parallels.com/en/129010Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-945/Third Party Advisory, VDB Entry
- https://kb.parallels.com/en/129010Vendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-945/Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.