Cyber Resilience

CVE-2021-22774

High

Published: 21 July 2021

Published
21 July 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0014 33.2th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22774 is a high-severity Use of Password Hash With Insufficient Computational Effort (CWE-916) vulnerability in Schneider-Electric Evlink City Evc1S22P4 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A CWE-759: Use of a One-Way Hash without a Salt vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4.0.1), EVlink Parking (EVW2 / EVF2 / EV.2 all versions prior to R8 V3.4.0.1), and EVlink Smart…

more

Wallbox (EVB1A all versions prior to R8 V3.4.0.1 ) that could lead an attacker to get knowledge of charging station user account credentials using dictionary attacks techniques.

CWE(s)
CWE-916

Related Threats

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

Affected Assets

schneider-electric
evlink city evc1s22p4 firmware
≤ r8_v3.4.0.1
schneider-electric
evlink city evc1s7p4 firmware
≤ r8_v3.4.0.1
schneider-electric
evlink parking evw2 firmware
≤ r8_v3.4.0.1
schneider-electric
evlink parking evf2 firmware
≤ r8_v3.4.0.1
schneider-electric
evlink parking ev.2 firmware
≤ r8_v3.4.0.1
schneider-electric
evlink smart wallbox evb1a firmware
≤ r8_v3.4.0.1

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.

AT-5 Contacts with Security Groups and Associations
addresses: CWE-916

Information from security contacts highlights password hashing methods with insufficient computational effort, preventing their adoption.

References