ByteOS Network

Vulnerability Details :

CVE-2021-36809

Assigner-Sophos

Assigner Org ID-526a354d-e866-4174-ae7d-bac848e5c4c5

Published At-07 Mar, 2022 | 23:45

Updated At-04 Aug, 2024 | 01:01

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.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:Sophos

Assigner Org ID:526a354d-e866-4174-ae7d-bac848e5c4c5

Published At:07 Mar, 2022 | 23:45

Updated At:04 Aug, 2024 | 01:01

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

Sophos Ltd.

Product

SSL VPN client

Versions

Affected

From unspecified through 2.3.8.0 (custom)

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

Metrics

Version	Base score	Base severity	Vector
3.1	6.1	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Version: 3.1

Base score: 6.1

Base severity: MEDIUM

Vector:

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

References

Hyperlink	Resource
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos	x_refsource_CONFIRM

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

Resource:

x_refsource_CONFIRM

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos	x_refsource_CONFIRM x_transferred

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

Resource:

x_refsource_CONFIRM

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:security-alert@sophos.com

Published At:08 Mar, 2022 | 00:15

Updated At:12 Jul, 2022 | 17:42

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	6.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Secondary	3.1	6.1	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Primary	2.0	3.6	LOW	AV:L/AC:L/Au:N/C:N/I:P/A:P

Type: Primary

Version: 3.1

Base score: 6.0

Base severity: MEDIUM

Vector:

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

Type: Secondary

Version: 3.1

Base score: 6.1

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 2.0

Base score: 3.6

Base severity: LOW

Vector:

AV:L/AC:L/Au:N/C:N/I:P/A:P

CPE Matches

Sophos Ltd.

>>ssl_vpn_client>>-

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

Weaknesses

CWE ID	Type	Source
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://www.sophos.com/en-us/security-advisories/sophos-sa-20220303-sslvpn-local-dos	security-alert@sophos.com	Vendor Advisory

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

Source: security-alert@sophos.com

Resource:

Vendor Advisory

CVE-2021-36809

Credits

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

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N/A

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N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

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Affected

Problem Types

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Metrics Other Info

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Replaced By

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References

Affected Products

Metrics

Metrics Other Info

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Replaced By

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CISA Catalog

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CPE Matches

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Change History

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