CVE-2019-10655

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

Grandstream GAC2500 1.0.3.35, GXP2200 1.0.3.27, GVC3202 1.0.3.51, GXV3275 before 1.0.3.219 Beta, and GXV3240 before 1.0.3.219 Beta devices allow unauthenticated remote code execution via shell metacharacters in a /manager?action=getlogcat priority field, in conjunction with a buffer overflow (via the phonecookie cookie) to overwrite a data structure and consequently bypass authentication. This can be exploited remotely or via CSRF because the cookie can be placed in an Accept HTTP header in an XMLHttpRequest call to lighttpd.

References

https://github.com/scarvell/grandstream_exploits

https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=23920&dl=1

Details

Source: MITRE

Published: 2019-03-30

Updated: 2020-08-24

Type: CWE-78

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Tenable Plugins

View all (4 total)

IDNameProductFamilySeverity
124173Multiple Command Injection Vulnerabilities in Grandstream ProductsNessusMisc.
critical
700497Grandstream GXV3275 < 1.0.3.219 RCENessus Network MonitorIoT
critical
700496Grandstream GXV3240 < 1.0.3.219 RCENessus Network MonitorIoT
critical
123520Multiple Command Injection Vulnerabilities in Grandstream ProductsNessusMisc.
critical