CVE-2021-21535 Missing authorization in Dell Hybrid Client (DHC)
A local unauthenticated attacker can exploit missing authentication in Dell Hybrid Client to gain root level access to the system.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21535?
CVE-2021-21535 is a high-severity missing authorization vulnerability in Dell Hybrid Client (DHC), published on 30 Apr 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell Hybrid Client versions prior to 1.5 contain a missing authentication for a critical function vulnerability. A local unauthenticated attacker may exploit this vulnerability in order to gain root level access to the system.
Weakness: CWE-306
Which versions are affected by CVE-2021-21535?
It affects 1 product.
Products include Dell Hybrid Client.
How do I fix CVE-2021-21535?
No fix has been published for CVE-2021-21535 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-21535 being exploited?
There is no known exploitation of CVE-2021-21535 in the wild and no public exploit code.
Other vulnerabilities in Dell Hybrid Client (DHC)
- CVE-2022-34432 Command injection in Dell Hybrid Client (DHC)
- CVE-2022-34430 Denial of service in Dell Hybrid Client (DHC)
- CVE-2022-34431 Denial of service in Dell Hybrid Client (DHC)
- CVE-2022-34429 Path traversal in Dell Hybrid Client (DHC)
- CVE-2023-32476 Information disclosure in Dell Hybrid Client (DHC)
Sources
Also known as GHSA-4mmw-26jr-m4mm.