No exploitation reportedFix available

CVE-2022-2302

Q: Is CVE-2022-2302 actively exploited?

Active exploitation of CVE-2022-2302 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2022-2302?

CVE-2022-2302 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-07-11
Fixed in01.08.01.3021
WeaknessCWE-287 · CWE-304

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2022-07-1111:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-2302?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-2302?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Lenze c520 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.07.00.2757, < 01.08.01.3021	01.08.01.3021	NVD

Lenze c550 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.07.00.2757, < 01.08.01.3021	01.08.01.3021	NVD

Lenze c750 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.x	≥ 1.07.00.2757, < 01.08.01.3021	01.08.01.3021	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Lenze c520 firmware to 01.08.01.3021

Advisories and patches

cert.vde.comMitigation

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.19.8read 2026-10-23
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
CNAweakness (CWE)CWE-304read 2026-10-23
NVDweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score2.1 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-07-11
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2022-2302?

Is CVE-2022-2302 actively exploited?

Active exploitation of CVE-2022-2302 has not been confirmed. Its EPSS score was 2.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-2302?

CVE-2022-2302 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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