VYPR
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Medium severity6.1NVD Advisory· Published Mar 8, 2022· Updated Jun 17, 2026

CVE-2021-36809

CVE-2021-36809

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Sophos/SSL VPN Client2 versions
    cpe:2.3:a:sophos:ssl_vpn_client:-:*:*:*:*:windows:*:*+ 1 more
    • cpe:2.3:a:sophos:ssl_vpn_client:-:*:*:*:*:windows:*:*
    • (no CPE)
  • Sophos/SSL VPN clientv5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

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