Is CVE-2021-22763 actively exploited?

No active exploitation of CVE-2021-22763 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-22763 be exploited remotely?

Yes. CVE-2021-22763 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-22763?

CVE-2021-22763 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-22763

CRITICAL

CVE-2021-22763

CWE-640Published: June 11, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A CWE-640: Weak Password Recovery Mechanism for Forgotten Password vulnerability exists in PowerLogic PM55xx, PowerLogic PM8ECC, PowerLogic EGX100 and PowerLogic EGX300 (see security notification for version infromation) that could allow an attacker administrator level access to a device.

NVD Source

Technical Analysis

CVE-2021-22763 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

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 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

schneider-electric10 product(s)

powerlogic pm5560 firmwarepowerlogic pm5560powerlogic pm5561 firmwarepowerlogic pm5561powerlogic pm5562 firmwarepowerlogic pm5562powerlogic pm5563 firmwarepowerlogic pm5563powerlogic pm8ecc firmwarepowerlogic pm8ecc

Source: NVD CPE · 10 total CPE entries