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VULNERABILITIES

CVE-2022-29965 Details

Description

The Emerson DeltaV Distributed Control System (DCS) controllers and IO cards through 2022-04-29 misuse passwords. Access to privileged operations on the maintenance port TELNET interface (23/TCP) on M-series and SIS (CSLS/LSNB/LSNG) nodes is controlled by means of utility passwords. These passwords are generated using a deterministic, insecure algorithm using a single seed value composed of a day/hour/minute timestamp with less than 16 bits of entropy. The seed value is fed through a lookup table and a series of permutation operations resulting in three different four-character passwords corresponding to different privilege levels. An attacker can easily reconstruct these passwords and thus gain access to privileged maintenance operations. NOTE: this is different from CVE-2014-2350.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03 CVEThird Party AdvisoryUS Government Resource
https://www.forescout.com/blog/ CVEThird Party Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-22-181-03 [email protected]Third Party AdvisoryUS Government Resource
https://www.forescout.com/blog/ [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-327Use of a Broken or Risky Cryptographic Algorithm[email protected]

Affected Products

ProductVersions

Change History

5 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2022-29965
NVD Published Date:
Jul 26, 2022
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2022-29965 Details - Not Deferred