CVE-2021-36809

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Published Mar 7, 2022 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

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.

Metrics

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.

Exploit prediction score: < 1% (0.230% probability within 30 days)

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

Weaknesses

NVD-CWE-noinfo

Sources

CVE record Updated: Aug 4, 2024, 1:01 AM

Status: PUBLISHED
Assigner: Sophos
Published: Mar 7, 2022, 11:45 PM
Updated: Aug 4, 2024, 1:01 AM
Reserved: Jul 19, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:59 AM

Status: Modified
Published: Mar 8, 2022, 12:15 AM
Modified: Jun 17, 2026, 3:59 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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