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CVE-2021-22707 (GCVE-0-2021-22707)

Vulnerability from cvelistv5 – Published: 2021-07-21 10:41 – Updated: 2024-08-03 18:51
VLAI Shadowserver Previdian
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-798 - Use of Hard-coded Credentials
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a 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 ) Affected: 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 )
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: dc480d24-56c1-4b11-9bbc-0412ea3ccf24

Vulnerability ID: CVE-2021-22707

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics
Severity: 98.0
Timestamps
First Seen: 2024-02-14
Asserted: 2024-02-14
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Schneider Electric / EVlink City, Parking and Smart Wallbox | Class: other-software | Severity: Critical (CVSS 9.8) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-07-19: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 0
Vendor Schneider Electric
30D Avg 1
90D Avg 2
Product EVlink City, Parking and Smart Wallbox
Cisa Kev no
Connections 1
Observation Date 2026-07-19
Vulnerability Class CVSS
Vulnerability Score 9.8
Vulnerability Severity Critical
References
Created: 2026-06-30 09:23 UTC | Updated: 2026-07-21 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: bec596d9-d12f-45e0-b3af-2df277f52bb6

Vulnerability ID: CVE-2021-22707

Status: Confirmed

Status Updated: 2025-06-21 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-06-21
Asserted: 2025-06-21
Scope
Notes: KEVIntel entry: 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... | Affected: Schneider Electric / EVlink City, EVlink Parking, EVlink Smart Wallbox | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor Schneider Electric
Product EVlink City, EVlink Parking, EVlink Smart Wallbox
Added Date 2025-06-21T00:00:00.000Z
Cvss Score 9.8
Epss Score None
Cvss Severity CRITICAL
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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administrativos\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cybersecurity@se.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-798\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"28E02076-32CB-4729-B7D1-ACD0A5344A67\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA9F3DA4-C027-4210-8A2B-87121373CE60\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"243AD74C-064A-49E4-9233-296C090AF0FB\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C224B6C5-BCA4-400A-A50E-017843825356\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"3B6C21FB-1F08-4E28-81A8-489B7A64D1AA\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"58F33653-E41D-499A-BD44-0D294C003D7B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"8EB862A8-30DC-4CCF-B88D-853CCC045080\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B266B002-6C10-4E0B-B14C-9C0A55070CD8\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_parking_ev.2_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"91F956D0-DFA0-4E31-88F8-DCB304CDF794\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_parking_ev.2:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"84800086-3C16-4C24-B64C-C9959089F903\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:schneider-electric:evlink_smart_wallbox_evb1a_firmware:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"r8_v3.4.0.1\",\"matchCriteriaId\":\"B910950C-FF66-47D6-B951-A0EC8556E2F5\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:schneider-electric:evlink_smart_wallbox_evb1a:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CC5D698C-6161-4F6D-94CE-01A0ECA95C47\"}]}]}],\"references\":[{\"url\":\"http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06\",\"source\":\"cybersecurity@se.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-194-06\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:49:25+00:00",
      "cve": "CVE-2021-22707",
      "id": "CVE-2021-22707",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-22707",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22707.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.