CVE-2021-26605 unidocs ezPDFReader arbitrary command execution vulnerability
Attackers can execute arbitrary commands via crafted JSON-RPC input in unidocs ezPDFReader, requiring a patch to mitigate.
- 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-2021-26605?
CVE-2021-26605 is a high-severity command injection vulnerability in unidocs ezPDFReader, published on 5 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An improper input validation vulnerability in the service of ezPDFReader allows attacker to execute arbitrary command. This issue occurred when the ezPDF launcher received and executed crafted input values through JSON-RPC communication.
Weakness: CWE-20
Which versions are affected by CVE-2021-26605?
It affects 1 product.
Products include Unidocs Ezpdfreader.
How do I fix CVE-2021-26605?
No fix has been published for CVE-2021-26605 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-26605 being exploited?
There is no known exploitation of CVE-2021-26605 in the wild and no public exploit code.
Sources
Also known as GHSA-454x-8f5c-p2fv.