The Bently Nevada 3700 series of condition monitoring equipment through 2022-04-29 has a maintenance interface on port 4001/TCP with undocu…

published 2022-07-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-34260

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits: 0; none known

The Bently Nevada 3700 series of condition monitoring equipment through 2022-04-29 has a maintenance interface on port 4001/TCP with undocumented, hardcoded credentials. An attacker capable of connecting to this interface can thus trivially take over its functionality.

Patch / fix

fixed in 3

bakerhughes bently_nevada_3701/40_firmware 4.1
bakerhughes bently_nevada_3701/44_firmware 4.1
bakerhughes bently_nevada_3701/46_firmware 4.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-188-02 updated 2022-07-07 cvss 9.1

Bently Nevada ADAPT 3701/4X Series and 60M100

Bently Nevada, Baker Hughes Bently Nevada 60M100 (3701/60) Bently Nevada, Baker Hughes Bently Nevada 3701/40 < 4.1 Bently Nevada, Baker Hughes Bently Nevada 3701/44 < 4.1 Bently Nevada, Baker Hughes Bently Nevada 3701/46 < 4.1
affected: mitigation “Bently Nevada recommend users upgrade 3701/4x series to Version 4.1.1712.0601 or higher, which has the diagnostics port disabled and the hardcoded credentials removed from the firmware image.” bntechsupport.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

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-798 Use of Hard-coded Credentials

References

forescout.com /blog/
third-party-advisory
cisa.gov /uscert/ics/advisories/icsa-22-188-02
mitigation, third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-29953
NVD CVE-2022-29953

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary