CVE-2021-33016

9.8 criticalEPSS 1.0%

Critical (9.8) in kuka. EPSS 1.0% chance of exploitation in the next 30 days.

An attacker can gain full access (read/write/delete) to sensitive folders due to hard-coded credentials on KUKA KR C4 control software for versions prior to 8.7 or any product running KSS.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-31)
CWE: CWE-798
Published: 2022-05-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

kuka:kr_c4_firmware
kuka:kss

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-208-01
https://www.cisa.gov/uscert/ics/advisories/icsa-21-208-01

Check your stack JSON