CVE-2021-34601

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-04-28. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
60.4%
KEV
Not listed

Published

April 27, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 12, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Bender/ebee: Multiple Charge Controller Vulnerabilities

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

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-22 14:06 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
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  1. 2026-07-05 02:28 UTCEPSS rescore
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  3. 2026-07-04 06:29 UTCEPSS rescore
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  5. 2026-07-01 15:04 UTCEPSS rescore
  6. 2026-06-30 23:20 UTCEPSS rescore
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  8. 2026-06-29 14:04 UTCEPSS rescore
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  17. 2026-06-23 21:31 UTCEPSS rescore
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  19. 2026-06-22 14:24 UTCEPSS rescore
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  21. 2026-06-21 14:55 UTCEPSS rescore
  22. 2026-06-21 01:58 UTCEPSS rescore
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  24. 2026-06-19 19:24 UTCEPSS rescore
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  26. 2026-06-18 17:51 UTCEPSS rescore
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  35. 2026-06-12 23:10 UTCEPSS rescore
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  37. 2026-06-11 13:58 UTCEPSS rescore
  38. 2026-06-10 22:16 UTCEPSS rescore
  39. 2026-06-10 13:20 UTCEPSS rescore
  40. 2026-06-08 14:15 UTCEPSS rescore
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  42. 2026-06-07 15:23 UTCEPSS rescore
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  44. 2026-06-06 13:46 UTCEPSS rescore
  45. 2026-06-06 13:46 UTCEPSS rescore
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  47. 2026-06-05 22:45 UTCEPSS rescore
  48. 2026-06-05 06:09 UTCEPSS rescore
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  50. 2026-06-04 13:10 UTCEPSS rescore
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  52. 2026-06-02 20:11 UTCEPSS rescore
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  54. 2026-06-01 13:50 UTCEPSS rescore
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  56. 2026-05-31 22:29 UTCEPSS rescore
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  60. 2026-05-29 13:42 UTCEPSS rescore
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  62. 2026-05-28 13:43 UTCEPSS rescore
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  64. 2026-05-27 13:39 UTCEPSS rescore
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  68. 2026-05-26 07:17 UTCEPSS rescore
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  70. 2026-05-26 07:17 UTCEPSS rescore
  71. 2026-05-25 23:08 UTCEG score recompute
  72. 2026-05-25 23:08 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2021-34601?
CVE-2021-34601 is a critical vulnerability published on April 27, 2022. 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.
When was CVE-2021-34601 disclosed?
CVE-2021-34601 was first published in the National Vulnerability Database on April 27, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-34601 actively exploited?
CVE-2021-34601 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-34601?
CVE-2021-34601 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2021-34601?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-34601, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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