Vulnerability identifier: #VU32887

Vulnerability risk: High

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14500

CWE-ID: CWE-158

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GateManager
Server applications / Remote access servers, VPN

Vendor: Secomea

Description

The vulnerability allows a remote attacker to overwrite arbitrary data.

The vulnerability exists due to the affected software does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component. A remote attacker can send a negative value and overwrite arbitrary data on the target system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GateManager: 9.2b

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External links
http://ics-cert.us-cert.gov/advisories/icsa-20-210-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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