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SophosCVELIST:CVE-2021-36809

HistoryMar 07, 2022 - 11:45 p.m.

CVE-2021-36809

2022-03-0723:45:11

Sophos

www.cve.org

local attacker

file overwrite

vpn client

denial of service

data loss

sophos ssl vpn client

cve-2021-36809

CVSS3

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

Percentile

5.1%

JSON

A local attacker can overwrite arbitrary files on the system with VPN client logs using administrator privileges, potentially resulting in a denial of service and data loss, in all versions of Sophos SSL VPN client.

CNA Affected

[
  {
    "product": "SSL VPN client",
    "vendor": "Sophos",
    "versions": [
      {
        "lessThanOrEqual": "2.3.8.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos

CVSS3

6.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

Percentile

5.1%

JSON

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