Cyber Resilience

CVE-2021-34588

High

Published: 27 April 2022

Published
27 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0028 51.7th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34588 is a high-severity Forced Browsing (CWE-425) vulnerability in Bender Icc15Xx Firmware. Its CVSS base score is 8.6 (High).

Operationally, ranked in the top 48.3% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Bender/ebee Charge Controllers in multiple versions are prone to unprotected data export. Backup export is protected via a random key. The key is set at user login. It is empty after reboot .

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

bender
cc612 firmware
5.11.0 — 5.11.2 · 5.12.0 — 5.12.5 · 5.13.0 — 5.13.2
bender
icc15xx firmware
5.11.0 — 5.11.2 · 5.12.0 — 5.12.5 · 5.13.0 — 5.13.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-425

Forcing a decision on every access request, including direct ones, reduces the exploitability of forced browsing by ensuring no unchecked access paths.

addresses: CWE-425

Forces all accesses through the reference monitor, preventing direct or forced requests that bypass checks.

addresses: CWE-425

Enforcing access for all logical requests prevents unauthorized direct access to protected resources.

addresses: CWE-425

Displaying the notification before further access on public systems prevents direct resource requests from bypassing the required system use terms and consent.

addresses: CWE-425

Decoy endpoints catch forced browsing and direct requests, deflecting attackers from legitimate resources while enabling analysis.

addresses: CWE-425

Blocks unauthorized direct requests or forced browsing by denying input access to non-authorized actors.

References