How severe is CVE-2022-2302?

CVE-2022-2302 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-2302 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-2302?

CVE-2022-2302 primarily affects Lenze C520 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-2302?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2022-2302 published?

CVE-2022-2302 was published on 2022-07-11 and last updated on 2026-06-17.

CVE-2022-2302

CVE-2022-2302 is a critical-severity vulnerability in Lenze C520 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 9.3
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Lenze C520 Firmware
Published: 2022-07-11
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2022-2302?: CVE-2022-2302 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-2302 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-2302?: CVE-2022-2302 primarily affects Lenze C520 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-2302?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-2302 published?: CVE-2022-2302 was published on 2022-07-11 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2022-030/

Affected products (3)

cpe:2.3:o:lenze:c520_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenze:c550_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenze:c750_firmware:*:*:*:*:*:*:*:*

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