CVE-2021-36809 - Vulnerability Details - OpenCVE

Description

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.

Published: 2022-03-07

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Sophos

SSL VPN client

affected

Version	Status	Constraints
`unspecified`	affected	≤ 2.3.8.0

Configuration 1 [-]

cpe:2.3:a:sophos:ssl_vpn_client:-:*:*:*:*:windows:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-23385	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00047.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos

History

No history.

Subscriptions

Sophos Ssl Vpn Client

MITRE

Status: PUBLISHED

Assigner: Sophos

Published: 2022-03-07T23:45:11.000Z

Updated: 2024-08-04T01:01:59.782Z

Reserved: 2021-07-19T00:00:00.000Z

Link: CVE-2021-36809

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-03-08T00:15:07.717

Modified: 2024-11-21T06:14:08.957

Link: CVE-2021-36809

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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