Cyber Resilience

CVE-2021-34587

Medium

Published: 27 April 2022

Published
27 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0031 54.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-34587 is a medium-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Bender Cc612 Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 45.9% 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 a long URL could lead to webserver crash. The URL is used as input of an sprintf to a stack variable.

CWE(s)

Related Threats

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

Affected Assets

ibm
ibm rational lifecycle integration adapter for windchill
1.0.0
bender
cc612 firmware
5.11.0 — 5.11.2 · 5.12.0 — 5.12.5 · 5.13.0 — 5.13.2
bender
cc613 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
bender
icc16xx 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-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References