CVE-2021-44463 — HIGH (8.1)

Vulnerability Description

Missing DLLs, if replaced by an insider, could allow an attacker to achieve local privilege escalation on the DeltaV Distributed Control System Controllers and Workstations (All versions) when some DeltaV services are started.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Emerson	Deltav	13.3.1

Related Weaknesses (CWE)

CWE-427

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04MitigationThird Party AdvisoryUS Government Resource
https://www.cisa.gov/uscert/ics/advisories/icsa-21-355-04MitigationThird Party AdvisoryUS Government Resource

FAQ

What is CVE-2021-44463?

CVE-2021-44463 is a vulnerability with a CVSS score of 8.1 (HIGH). Missing DLLs, if replaced by an insider, could allow an attacker to achieve local privilege escalation on the DeltaV Distributed Control System Controllers and Workstations (All versions) when some De...

How severe is CVE-2021-44463?

CVE-2021-44463 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-44463?

Check the references section above for vendor advisories and patch information. Affected products include: Emerson Deltav.