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cve[email protected]CVE-2021-22735
HistoryMay 26, 2021 - 8:15 p.m.

CVE-2021-22735

2021-05-2620:15:09
CWE-347
web.nvd.nist.gov
40
3
cve-2021-22735
vulnerability
cryptographic signature
remote code execution
homelynk
spacelynk
nvd

6.5 Medium

CVSS2

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

7.2 High

CVSS3

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

7.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.3%

Improper Verification of Cryptographic Signature vulnerability exists inhomeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior which could allow remote code execution when unauthorized code is copied to the device.

Affected configurations

NVD
Node
schneider-electricspacelynk_firmwareRange≀2.6.0
AND
schneider-electricspacelynkMatch-
Node
schneider-electrichomelynk_firmwareRange≀2.6.0
AND
schneider-electrichomelynkMatch-

CNA Affected

[
  {
    "product": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "homeLYnk (Wiser For KNX) and spaceLYnk V2.60 and prior"
      }
    ]
  }
]

Social References

More

6.5 Medium

CVSS2

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

7.2 High

CVSS3

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

7.3 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

66.3%

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