Cyber Resilience

CVE-2021-22714

Critical

Published: 11 March 2021

Published
11 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0227 85.0th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22714 is a critical-severity Improper Restriction of Operations within the Bounds of a Memory Buffer (CWE-119) vulnerability in Schneider-Electric Powerlogic Ion7400 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 15.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A CWE-119:Improper restriction of operations within the bounds of a memory buffer vulnerability exists in PowerLogic ION7400, PM8000 and ION9000 (All versions prior to V3.0.0), which could cause the meter to reboot or allow for remote code execution.

CWE(s)

Related Threats

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

Affected Assets

schneider-electric
powerlogic ion7400 firmware
≤ 3.0.0
schneider-electric
powerlogic pm8000 firmware
≤ 3.0.0
schneider-electric
powerlogic ion9000 firmware
≤ 3.0.0

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-119

Ongoing control assessments and code testing (static/dynamic analysis, fuzzing) surface memory buffer restriction failures, which are then remediated before release.

addresses: CWE-119

Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.

addresses: CWE-119

Memory protections (e.g., W^X, ASLR) make exploitation of buffer-boundary violations far harder to turn into code execution.

addresses: CWE-119

Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.

References