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High severity · published Apr 14, 2020
CVE-2020-5739
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN…
8.8
CVSS
5.3%
EPSS
No
On KEV
Description
Grandstream GXP1600 series firmware 1.0.4.152 and below is vulnerable to authenticated remote command execution when an attacker adds an OpenVPN up script to the phone's VPN settings via the "Additional Settings" field in the web interface. When the VPN's connection is established, the user defined script is executed with root privileges.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.3% · higher than 93% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GF
Gxp1610 Firmware · Grandstream
through 1.0.4.152 · source: NVD
GF
Gxp1615 Firmware · Grandstream
through 1.0.4.152 · source: NVD
GF
Gxp1620 Firmware · Grandstream
through 1.0.4.152 · source: NVD
GF
Gxp1625 Firmware · Grandstream
through 1.0.4.152 · source: NVD
GF
Gxp1628 Firmware · Grandstream
through 1.0.4.152 · source: NVD
GF
Gxp1630 Firmware · Grandstream
through 1.0.4.152 · source: NVD
Affected product
GF
Gxp1610 Firmware
Grandstream
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5739
Exploit
https://www.tenable.com/security/research/tra-2020-22
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