CVE-2021-37915
Last modified
CVE-2021-37915 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. EPSS estimates a 1.96% chance of exploitation in the next 30 days.
Description
An issue was discovered on the Grandstream HT801 Analog Telephone Adaptor before 1.0.29.8. From the limited configuration shell, it is possible to set the malicious gdb_debug_server variable. As a result, after a reboot, the device downloads and executes malicious scripts from an attacker-defined host.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Grandstream | Ht801 Firmware | < 1.0.29.8 |
References
- http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801Product, Vendor Advisory
- https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/Exploit, Third Party Advisory
- http://www.grandstream.com/products/gateways-and-atas/analog-telephone-adaptors/product/ht801Product, Vendor Advisory
- https://www.secforce.com/blog/exploiting-grandstream-ht801-ata-cve-2021-37748-cve-2021-37915/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-37915?
How severe is CVE-2021-37915?
How do I fix CVE-2021-37915?
Are you affected by CVE-2021-37915?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST