CVE-2021-22822
Published: 28 January 2022
Summary
CVE-2021-22822 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Schneider-Electric Evlink City Evc1S22P4 Firmware. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 44.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-9957
Vulnerability details
A CWE-79 Improper Neutralization of Input During Web Page Generation (�Cross-site Scripting�) vulnerability exists that could allow an attacker to impersonate the user who manages the charging station or carry out actions on their behalf when crafted malicious parameters are…
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submitted to the charging station web server. Affected Products: EVlink City EVC1S22P4 / EVC1S7P4 (All versions prior to R8 V3.4.0.2 ), EVlink Parking EVW2 / EVF2 / EVP2PE (All versions prior to R8 V3.4.0.2), and EVlink Smart Wallbox EVB1A (All versions prior to R8 V3.4.0.2)
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.