CVE-2021-22707
CriticalExploitedA CWE-798: Use of Hard-coded Credentials 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…
Published Jul 21, 2021 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2021-22707 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Evlink City Evc1s22p4 Firmware (Schneider-Electric), Evlink City Evc1s7p4 Firmware (Schneider-Electric), Evlink Parking Ev.2 Firmware (Schneider-Electric) and 4 more products.
- It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Feb 14, 2024. No public exploit code is known.
- EPSS estimates a 65% probability of exploitation in the next 30 days.
- Fixed versions are available, including Evlink City Evc1s22p4 Firmware r8_v3.4.0.1, Evlink City Evc1s7p4 Firmware r8_v3.4.0.1, Evlink Parking Ev.2 Firmware r8_v3.4.0.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
65%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
2 catalog listings
Public exploit code
None known
Get the full CVE-2021-22707 brief as a PDF
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Description
A CWE-798: Use of Hard-coded Credentials 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 issue unauthorized commands to the charging station web server with administrative privileges.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 14, 2024 | n/a | Not reported |
| CIRCL KEV | Feb 14, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
7 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Evlink City Evc1s22p4 FirmwareSchneider-Electric | See advisory | r8_v3.4.0.1 |
| Evlink City Evc1s7p4 FirmwareSchneider-Electric | See advisory | r8_v3.4.0.1 |
| Evlink Parking Ev.2 FirmwareSchneider-Electric | See advisory | r8_v3.4.0.1 |
| Evlink Parking Evf2 FirmwareSchneider-Electric | See advisory | r8_v3.4.0.1 |
| Evlink Parking Evw2 FirmwareSchneider-Electric | See advisory | r8_v3.4.0.1 |
Patched Releases
Evlink City Evc1s22p4 Firmware
r8_v3.4.0.1
Evlink City Evc1s7p4 Firmware
r8_v3.4.0.1
Evlink Parking Ev.2 Firmware
r8_v3.4.0.1
Evlink Parking Evf2 Firmware
r8_v3.4.0.1
Evlink Parking Evw2 Firmware
r8_v3.4.0.1
Evlink Smart Wallbox Evb1a Firmware
r8_v3.4.0.1
Timeline
Publicly disclosed
Jul 21, 2021
Added to Industry KEV feed
Feb 14, 2024
Added to CIRCL KEV
Feb 14, 2024
Last updated
Nov 21, 2024
Weakness Type
- CWE-798 Use of Hard-coded Credentials
References
- advisoryhttp://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A CWE-798: Use of Hard-coded Credentials 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 issue unautho…
Affected: Evlink City Evc1s22p4 Firmware (Schneider-Electric); Evlink City Evc1s7p4 Firmware (Schneider-Electric); Evlink Parking Ev.2 Firmware (Schneider-Electric), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Feb 14, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Evlink City Evc1s22p4 Firmware r8_v3.4.0.1, Evlink City Evc1s7p4 Firmware r8_v3.4.0.1, Evlink Parking Ev.2 Firmware r8_v3.4.0.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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