Vulnerability · Published Dec 9, 2021 · Assigned by tenable
CVE-2021-20138
High 8.8
In plain English
A high-severity security flaw in Gryphon Tower router. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)3.7%top 10.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
An unauthenticated command injection vulnerability exists in multiple parameters in the Gryphon Tower router’s web interface at /cgi-bin/luci/rc. An unauthenticated remote attacker on the same network can execute commands as root on the device by sending a specially crafted malicious packet to the web interface.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Gryphon Tower router | <= 04.0004.12 (Current) |
References
- https://www.tenable.com/security/research/tra-2021-51 x_refsource_MISC