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cveSchneiderCVE-2021-22708
HistoryJul 21, 2021 - 3:15 p.m.

CVE-2021-22708

2021-07-2115:15:14
CWE-347
schneider
web.nvd.nist.gov
58
3
cve-2021-22708
cwe-347
evlink city
evlink parking
evlink smart wallbox
firmware
signature verification

CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON

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 configurations

Nvd
Node
schneider-electricevlink_city_evc1s22p4_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_city_evc1s22p4Match-
Node
schneider-electricevlink_city_evc1s7p4_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_city_evc1s7p4Match-
Node
schneider-electricevlink_parking_evw2_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_parking_evw2Match-
Node
schneider-electricevlink_parking_evf2_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_parking_evf2Match-
Node
schneider-electricevlink_parking_ev.2_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_parking_ev.2Match-
Node
schneider-electricevlink_smart_wallbox_evb1a_firmwareRange<r8_v3.4.0.1
AND
schneider-electricevlink_smart_wallbox_evb1aMatch-
VendorProductVersionCPE
schneider-electricevlink_city_evc1s22p4_firmware*cpe:2.3:o:schneider-electric:evlink_city_evc1s22p4_firmware:*:*:*:*:*:*:*:*
schneider-electricevlink_city_evc1s22p4-cpe:2.3:h:schneider-electric:evlink_city_evc1s22p4:-:*:*:*:*:*:*:*
schneider-electricevlink_city_evc1s7p4_firmware*cpe:2.3:o:schneider-electric:evlink_city_evc1s7p4_firmware:*:*:*:*:*:*:*:*
schneider-electricevlink_city_evc1s7p4-cpe:2.3:h:schneider-electric:evlink_city_evc1s7p4:-:*:*:*:*:*:*:*
schneider-electricevlink_parking_evw2_firmware*cpe:2.3:o:schneider-electric:evlink_parking_evw2_firmware:*:*:*:*:*:*:*:*
schneider-electricevlink_parking_evw2-cpe:2.3:h:schneider-electric:evlink_parking_evw2:-:*:*:*:*:*:*:*
schneider-electricevlink_parking_evf2_firmware*cpe:2.3:o:schneider-electric:evlink_parking_evf2_firmware:*:*:*:*:*:*:*:*
schneider-electricevlink_parking_evf2-cpe:2.3:h:schneider-electric:evlink_parking_evf2:-:*:*:*:*:*:*:*
schneider-electricevlink_parking_ev.2_firmware*cpe:2.3:o:schneider-electric:evlink_parking_ev.2_firmware:*:*:*:*:*:*:*:*
schneider-electricevlink_parking_ev.2-cpe:2.3:h:schneider-electric:evlink_parking_ev.2:-:*:*:*:*:*:*:*
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CNA Affected

[
  {
    "product": "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 )",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "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 )"
      }
    ]
  }
]

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CVSS2

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

CVSS3

7.2

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

42.8%

JSON
Related for CVE-2021-22708
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