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-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in SonicWall Email Security 10.0.9.x. This affects an unknown function. Executing a manipulation can lead to path traversal. This vulnerability is handled as CVE-2021-20023. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

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 attacked. 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.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (622). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

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

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
04/20/2021 +123 days 🔍
04/20/2021 +0 days 🔍
02/06/2025 +1388 days 🔍

Sourcesinfo

Vendor: sonicwall.com

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

CVE: CVE-2021-20023 (🔍)
GCVE (CVE): GCVE-0-2021-20023
GCVE (VulDB): GCVE-100-173236
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/20/2021 16:46
Updated: 02/06/2025 21:53
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), 06/29/2024 05:59 (2), 09/11/2024 23:15 (1), 02/06/2025 21:53 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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