CVE-2021-22822
CVE-2021-22822 is a medium-severity vulnerability in Schneider-electric Evlink City Evc1s22p4 Firmware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Schneider-electric Evlink City Evc1s22p4 Firmware
- Published:
- Last modified:
Description
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 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)
Frequently asked questions
- What is CVE-2021-22822?
- 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 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)
- How severe is CVE-2021-22822?
- CVE-2021-22822 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-22822 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-22822?
- CVE-2021-22822 primarily affects Schneider-electric Evlink City Evc1s22p4 Firmware. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-22822?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-22822 published?
- CVE-2021-22822 was published on 2022-01-28 and last updated on 2026-06-17.
References
Affected products (6)
- cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:evlink_parking_evp2pe_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Schneider-electric Evlink City Evc1s22p4 Firmware
- CVE-2021-22820 — Critical (CVSS 9.8): A CWE-614 Insufficient Session Expiration vulnerability exists that could allow an attacker to maintain an unauthorized…
- CVE-2021-22730 — Critical (CVSS 9.8): A CWE-798: Use of Hard-coded Credentials vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior…
- CVE-2021-22729 — Critical (CVSS 9.8): A CWE-259: Use of Hard-coded Password vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to…
- CVE-2021-22727 — Critical (CVSS 9.8): A CWE-331: Insufficient Entropy vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8…
- CVE-2021-22707 — Critical (CVSS 9.8): A CWE-798: Use of Hard-coded Credentials vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior…
- CVE-2021-22821 — High (CVSS 8.6): A CWE-918 Server-Side Request Forgery (SSRF) vulnerability exists that could cause the station web server to forward…
All CVEs affecting Schneider-electric Evlink City Evc1s22p4 Firmware →
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