CVE-2021-34591

HIGHNVD 7.87.8—

7.8

In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation. An authenticated attacker could get root access via the suid applications socat, ip udhcpc and ifplugd.

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 31.6%
KEV: Not listed

Published

April 27, 2022

Last Modified

November 21, 2024

References (2)

info@certhttps://cert.vde.com/en/advisories/VDE-2021-047
af854a3a-2127-422b-91ae-364da2661108https://cert.vde.com/en/advisories/VDE-2021-047

Weakness Classification(1)

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

CWE-250Execution with Unnecessary Privileges

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 23:08 UTCEG score recompute

Frequently asked(5)

What is CVE-2021-34591?

CVE-2021-34591 is a high vulnerability published on April 27, 2022. In Bender/ebee Charge Controllers in multiple versions are prone to Local privilege Escalation. An authenticated attacker could get root access via the suid applications socat, ip udhcpc and ifplugd.

When was CVE-2021-34591 disclosed?

CVE-2021-34591 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-2021-34591 actively exploited?

CVE-2021-34591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-34591?

CVE-2021-34591 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2021-34591?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-34591, 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.

Dependency Blast Radius

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CVE-2021-34591

📅 Published

🔄 Last Modified

🔗 References (2)