Incorrect permissions are set by default for an API entry-point of a specific service, allowing a non-authenticated user to trigger a funct…

published 2020-12-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17882

cvss: 7.5; 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 66%
public exploits: 0; none known

Incorrect permissions are set by default for an API entry-point of a specific service, allowing a non-authenticated user to trigger a function that could reboot the CompactRIO (Driver versions prior to 20.5) remotely.

Patch / fix

fixed in 1

ni compactrio_firmware 20.5

Vendor advisories

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

cisa ICSA-20-338-01 updated 2020-12-03 cvss 7.5

National Instruments CompactRIO

National Instruments Corp. (NI) CompactRIO Driver < 20.5
affected: mitigation “1. Download the NI CompactRIO 20.5 Driver.” ni.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

1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	7.8	AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

n/a CompactRIO

Classification

Weakness

CWE-732 Incorrect Permission Assignment for Critical Resource

References

us-cert.cisa.gov /ics/advisories/icsa-20-338-01
mitigation, third-party-advisory, us-government-resource

Sources

CVE List CVE-2020-25191
NVD CVE-2020-25191

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