SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-33687

Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions.

HIGH 7.5EPSS 0.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Insufficient verification of data authenticity issue exists in NJ Series CPU Unit all versions and NX Series CPU Unit all versions. If a user program in the affected product is altered, the product may not be able to detect the alteration.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.19% probability · 9th percentile
CISA KEV
Not listed
Weakness
CWE-345
Affected
omron/nj101-1000 firmware · omron/nj101-1020 firmware · omron/nj101-9000 firmware · omron/nj101-9020 firmware · omron/nj301-1100 firmware · omron/nj301-1200 firmware · omron/nj501-1300 firmware · omron/nj501-1320 firmware · omron/nj501-1340 firmware · omron/nj501-140 firmware · omron/nj501-1400 firmware · omron/nj501-1420 firmware · omron/nj501-1500 firmware · omron/nj501-1520 firmware · omron/nj501-4300 firmware · omron/nj501-4310 firmware · omron/nj501-4320 firmware · omron/nj501-4400 firmware · omron/nj501-4500 firmware · omron/nj501-5300 firmware · +35 more
Source
vultures@jpcert.or.jp

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.