Emerson DeltaV security bypass | CVE-2022-29965
NAME
Emerson DeltaV security bypass
- Platforms Affected:
Emerson DeltaV M-series
Emerson DeltaV S-series
Emerson DeltaV P-series
Emerson DeltaV CIOC/EIOC/WIOC IO cards - Risk Level:
8.8 - Exploitability:
Unproven - Consequences:
Bypass Security
DESCRIPTION
Emerson DeltaV could allow a remote authenticated attacker to bypass security restrictions, caused by using a deterministic insecure algorithm in its challenge-response authentication. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass access restrictions to access privileged operations in the maintenance interface.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Adjacent Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Refer to Emerson Web site for patch, upgrade or suggested workaround information. See References.
- Reference Link:
https://www.emerson.com/en-us/automation/control-and-safety-systems/distributed-control-systems-dcs/deltav-distributed-control-system - Reference Link:
https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03
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