Auth bypass in Lenze C520
CVE-2022-2302
Multiple Lenze products of the cabinet series skip the password verification upon second login. After a user has been logged on to the device once, a remote attacker can get full access without knowledge of the password.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.001
Affected products
- Lenze C520
- Lenze C520 Firmware
- Lenze C550
- Lenze C550 Firmware
- Lenze C750
- Lenze C750 Firmware
- Lenze Cabinet C520 — versions V01.07.00.2757
- Lenze Cabinet C550 — versions V01.07.00.2757
- Lenze Cabinet C750 — versions V01.07.00.2757
Weakness classification (CWE)
References
- cert.vde.com/en/advisories/VDE-2022-030/ (Third Party Advisory, Mitigation)
Frequently asked questions
- What is CVE-2022-2302?
- CVE-2022-2302 is a critical-severity vulnerability in Lenze C520, classified under Missing Critical Step in Authentication. CVSS score: 9.8/10. Published 2022-07-11.
- How severe is CVE-2022-2302?
- Critical severity. CVSS v3 base score is 9.8 out of 10.