ICSA-22-063-01 Missing Authentication for Critical Function in Trailer Power Line Communications (PLC) J2497

published 2022-03-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-30505

cvss: 6.1; 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

Power Line Communications PLC4TRUCKS J2497 trailer brake controllers implement diagnostic functions which can be invoked by replaying J2497 messages. There is no authentication or authorization for these functions.

Vendor advisories

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

cisa ICSA-22-063-01 updated 2022-03-04 cvss 6.1

Trailer Power Line Communications (PLC) J2497

n/a Power Line Communications (PLC) J2497
affected: mitigation “Install a LAMP ON firewall for each ECU”

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: 18 mo ago (2025-04-16)

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	6.1	CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:N/I:P/A:P

Affected products

Power Line Communications PLC4TRUCKS

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality

References

cisa.gov /uscert/ics/advisories/icsa-22-063-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2022-25922
NVD CVE-2022-25922

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