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cve[email protected]CVE-2021-22774
HistoryJul 21, 2021 - 3:15 p.m.

CVE-2021-22774

2021-07-2115:15:15
CWE-916
web.nvd.nist.gov
24
3
cve-2021-22774
cwe-759
one-way hash
salt vulnerability
evlink city
evlink parking
evlink smart wallbox
nvd
dictionary attacks

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

53.9%

A CWE-759: Use of a One-Way Hash without a Salt 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 lead an attacker to get knowledge of charging station user account credentials using dictionary attacks techniques.

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-

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 )"
      }
    ]
  }
]

Social References

More

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.002 Low

EPSS

Percentile

53.9%

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