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CVE-2021-22708

HIGH
7.2
CVSS Score
Published: July 21, 2021 at 10:41 AM UTC
Updated: June 17, 2026 at 03:37 AM UTC
12 products affected across 1 vendorEvlink Parking EVW2 FirmwareEvlink City EVC1S22P4 FirmwareEvlink Parking EVF2 Firmware

Using 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 ) by N/A?

Get instant alerts when new vulnerabilities affect 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 ) - before attackers find them.

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Severity
HIGH7.2
Exploit prediction
EPSS 0.7%

Description

A CWE-347: Improper Verification of Cryptographic Signature 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 allow an attacker to craft a malicious firmware package and bypass the signature verification mechanism.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Evlink City EVC1S22P4 Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-city-evc1s22p4 (same device)
Evlink City EVC1S7P4 Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-city-evc1s7p4 (same device)
Evlink Parking Ev.2 Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-ev-2 (same device)
Evlink Parking EVF2 Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-evf2 (same device)
Evlink Parking EVW2 Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-parking-evw2 (same device)
Evlink Smart Wallbox EVB1A Firmware· Schneider Electric
95%
v < r8_v3.4.0.1
Affected range stops below r8_v3.4.0.1, so it looks safe — our inference, not a vendor statement
schneider-electric-evlink-smart-wallbox-evb1a (same device)
EVlink City EVC1S22P4· Schneider Electric
60%
All versions
EVlink City EVC1S7P4· Schneider Electric
60%
All versions
EVlink Parking EV.2· Schneider Electric
60%
All versions
EVlink Parking EVF2· Schneider Electric
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
Source: [email protected]
http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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