How severe is CVE-2021-34589?

CVE-2021-34589 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-34589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34589?

CVE-2021-34589 primarily affects Bender Cc612 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-34589?

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

When was CVE-2021-34589 published?

CVE-2021-34589 was published on 2022-04-27 and last updated on 2026-06-17.

CVE-2021-34589

CVE-2021-34589 is a high-severity vulnerability in Bender Cc612 Firmware with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
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 an RFID leak. The RFID of the last charge event can be read without authentication via the web interface.

Frequently asked questions

What is CVE-2021-34589?: In Bender/ebee Charge Controllers in multiple versions are prone to an RFID leak. The RFID of the last charge event can be read without authentication via the web interface.
How severe is CVE-2021-34589?: CVE-2021-34589 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-34589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34589?: CVE-2021-34589 primarily affects Bender Cc612 Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-34589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-34589 published?: CVE-2021-34589 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 (5)

cpe:2.3:o:bender:cc612_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bender:cc613_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bender:icc613_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bender:icc15xx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:bender:icc16xx_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Bender Cc612 Firmware

CVE-2021-34601 — Critical (CVSS 9.8): In Bender/ebee Charge Controllers in multiple versions are prone to Hardcoded Credentials. Bender charge controller…
CVE-2021-34602 — High (CVSS 8.8): In Bender/ebee Charge Controllers in multiple versions are prone to Command injection via Web interface. An…
CVE-2021-34592 — High (CVSS 8.8): In Bender/ebee Charge Controllers in multiple versions are prone to Command injection via Web interface. An…
CVE-2021-34588 — High (CVSS 8.6): In Bender/ebee Charge Controllers in multiple versions are prone to unprotected data export. Backup export is protected…
CVE-2021-34591 — High (CVSS 7.8): In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation. An authenticated…
CVE-2021-34590 — Medium (CVSS 5.4): In Bender/ebee Charge Controllers in multiple versions are prone to Cross-site Scripting. An authenticated attacker…

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