CVE-2021-44463 json
Emerson DeltaV Uncontrolled Search Path Element
published 4y ago modified 4mo ago also EUVD-2021-31300
- cvss
- 8.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-355-04 updated cvss 8.1
Emerson DeltaV
-
Emerson DeltaV Distributed Control System Controllers and Workstationsaffected: mitigation “DeltaV DCS: Versions 13.3.1, 14.LTS, 14.FP1, 14.FP2, and R6” guardian.emersonprocess.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:H |
| NVD | 3.1 | 7.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-427 Uncontrolled Search Path Element
References
-
cisa.gov
/uscert/ics/advisories/icsa-21-355-04
mitigation, third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-44463
- NVD CVE-2021-44463
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