Vulnerability identifier: #VU56880

Vulnerability risk: Low

CVSSv3.1: 6.6 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38448

CWE-ID: CWE-94

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Symbio 700
Hardware solutions / Routers & switches, VoIP, GSM, etc
Symbio 800
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor:

Description

The vulnerability allows a local attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. An attacker with physical access can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

---

External links
http://ics-cert.us-cert.gov/advisories/icsa-21-266-01

---

Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.