GateManager Audit Message Spoofing Vulnerability

published 2020-10-15 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3989

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits: 0; none known

The information disclosure vulnerability present in B&R GateManager 4260 and 9250 versions <9.0.20262 and GateManager 8250 versions <9.2.620236042 allows authenticated users to generate fake audit log messages.

Patch / fix

fixed in 1

B&R GateManager 9.0.20262, 9.2.620236042

Vendor advisories

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

cisa ICSA-20-273-03 updated 2020-09-29 cvss 6.5

B&R Automation SiteManager and GateManager

B&R Industrial Automation GateManager 4260 and 9250 < 9.0.20262 B&R Industrial Automation GateManager 8250 < 9.2.620236042 B&R Industrial Automation SiteManager < 9.2.620236042
affected: mitigation “B&R Industrial Automation reports the vulnerabilities have been fixed in the following versions: SiteManager: v9.2.620236042” br-automation.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

1.20% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

B&R GateManager

Classification

Weakness

CWE-117 Improper Output Neutralization for Logs

References

br-automation.com /downloads_br_productcatalogue/assets/1600003183751-de-original-1.0.pdf
vendor-advisory
us-cert.cisa.gov /ics/advisories/icsa-20-273-03
third-party-advisory, us-government-resource

Sources

CVE List CVE-2020-11644
NVD CVE-2020-11644

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