SonicWall Email Security 10.0.9.x path traversal

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.07

A vulnerability has been found in SonicWall Email Security 10.0.9.x (Anti-Malware Software) and classified as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality.

The weakness was released 04/20/2021 as SNWLID-2021-0010. The advisory is shared for download at psirt.global.sonicwall.com. This vulnerability was named CVE-2021-20023. Technical details are unknown but an exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

It is declared as highly functional. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:

Apply updates per vendor instructions.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

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Exploitinginfo

Class: Path traversal
CWE: CWE-22
ATT&CK: T1006

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
04/20/2021 +123 days 🔍
04/20/2021 +0 days 🔍
04/21/2024 +1097 days 🔍

Sourcesinfo

Vendor: sonicwall.com

Advisory: SNWLID-2021-0010
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20023 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/20/2021 16:46
Updated: 04/21/2024 08:23
Changes: 04/20/2021 16:46 (37), 04/23/2021 15:29 (3), 04/28/2021 08:31 (18), 04/21/2024 08:23 (26)
Complete: 🔍

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