CVE-2021-44463: emerson deltav Uncontrolled Search Path Element
CVSS: 8.1v3.1HighModified
Published 28-01-2022Last modified 17-04-2025
Vulnerability summary
CVE-2021-44463 is a high (CVSS 8.1) Uncontrolled Search Path Element vulnerability in emerson deltav. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 28-01-2022PublishedVulnerability first disclosed.
- 17-04-2025Last modifiedVulnerability information updated.
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 metrics
3 scores · 2 sources · 2 versionsHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:HSources2 sources · 7.3–8.1
- NVDNIST7.3HighCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HDiffers
Medium 6.9Preferred score · NVD (NIST)
AV:L/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 21-09-2026
21-09-202621-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Emerson1 product
- deltav13.3.1 | 14:feature_pack1 | 14:feature_pack2 | 14.3.1 | r6
1 vendor · 1 product
References
1 links- www.cisa.gov/uscert/ics/advisories/icsa-21-355-04X Refsource MISCMitigationThird Party AdvisoryUS Government Resource