How severe is CVE-2021-34601?

CVE-2021-34601 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-2021-34601 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34601?

CVE-2021-34601 primarily affects Bender Cc612 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-34601?

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-2021-34601 published?

CVE-2021-34601 was published on 2022-04-27 and last updated on 2026-06-17.

CVE-2021-34601

CVE-2021-34601 is a critical-severity vulnerability in Bender Cc612 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Bender Cc612 Firmware
Published: 2022-04-27
Last modified: 2026-06-17

Description

In Bender/ebee Charge Controllers in multiple versions are prone to Hardcoded Credentials. Bender charge controller CC612 in version 5.20.1 and below is prone to hardcoded ssh credentials. An attacker may use the password to gain administrative access to the web-UI.

Frequently asked questions

What is CVE-2021-34601?: In Bender/ebee Charge Controllers in multiple versions are prone to Hardcoded Credentials. Bender charge controller CC612 in version 5.20.1 and below is prone to hardcoded ssh credentials. An attacker may use the password to gain administrative access to the web-UI.
How severe is CVE-2021-34601?: CVE-2021-34601 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-2021-34601 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34601?: CVE-2021-34601 primarily affects Bender Cc612 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-34601?: 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-2021-34601 published?: CVE-2021-34601 was published on 2022-04-27 and last updated on 2026-06-17.

References

https://cert.vde.com/en/advisories/VDE-2021-047

Affected products (2)

cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bender:icc15xx_firmware:*:*:*:*:*:*:*:*

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CVE-2021-34602 — High (CVSS 8.8): In Bender/ebee Charge Controllers in multiple versions are prone to Command injection via Web interface. An…
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