CVE-2021-22774

7.5 HIGH 0.8% exploit odds Fix listed

What it is

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 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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.8% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-07-21 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:37 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.8% in the next 30 days (EPSS).
Severity: 7.5 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-07-21 15:15 UTC
Last modified: 2026-06-17 03:37 UTC
Exploit probability: 0.8% · EPSS, next 30 days
Weakness: CWE-916
Record status: Modified

Affected

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

Attack profile CVSS 3.1 · 7.5

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2021-22774.md and follow it. Check whether this project is affected by CVE-2021-22774. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record