CVE-2021-42095 Denial of service in n/a
Attackers can crash the Xshell SSH client by triggering rapid title bar changes, requiring an upgrade to the latest version.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-42095?
CVE-2021-42095 is a high-severity denial of service vulnerability in n/a, published on 7 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Xshell before 7.0.0.76 allows attackers to cause a crash by triggering rapid changes to the title bar.
Which versions are affected by CVE-2021-42095?
It affects 1 product.
Products include Netsarang Xshell.
How do I fix CVE-2021-42095?
No fix has been published for CVE-2021-42095 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-42095 being exploited?
There is no known exploitation of CVE-2021-42095 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-9x37-h43v-mqc4.