Vulnerability identifier: #VU16938
Vulnerability risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-592
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
DeltaV
Hardware solutions /
Firmware
Vendor: Emerson
Description
The vulnerability allows an adjacent attacker to bypass authentication on the target system.
The vulnerability exists due to insufficient validation of user-supplied input. An adjacent unauthenticated attacker can supply a specially crafted script to bypass the authentication of a maintenance port of a service and cause a denial of service.
Mitigation
Install update from vendor's website.
Vulnerable software versions
DeltaV: 11.3.1 - R6
External links
http://ics-cert.us-cert.gov/advisories/ICSA-19-010-01
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.