HIGH
CVE-2021-34591
CWE-250Published: April 27, 2022· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
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.
Technical Analysis
CVE-2021-34591 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
bender4 product(s)
cc612 firmwarecc612icc15xx firmwarecc613
Source: NVD CPE · 4 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (2)
→
https://cert.vde.com/en/advisories/VDE-2021-047Vendor Advisory
→
https://cert.vde.com/en/advisories/VDE-2021-047Vendor Advisory
Quick Facts
CVE IDCVE-2021-34591
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-250
CISA KEVNo
Affected1 vendor(s)
PublishedApr 27, 2022
Related CVEs (CWE-250)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2021-34591 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.