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RequestGuard Vulnerabilities
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CVE record

CVE-2021-20022

SonicWall Email Security Unrestricted Upload of File Vulnerability

SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.

CVE evidence

Known exploitation

Listed in CISA KEV

Absence from the fetched catalog does not establish that exploitation has not occurred.

Severity

unknown

No parseable CVSS vector returned

Affected packages

0

Supported package records returned by OSV. Vendor and product names are not used to infer matches.

CISA Known Exploited Vulnerabilities

Catalog record

Vendor / project
SonicWall
Product
SonicWall Email Security
Date added
Nov 3, 2021
CISA federal remediation due date
Nov 17, 2021
Required action
Apply updates per vendor instructions.
Known ransomware campaign use
Known
CWE
CWE-434

OSV package mapping

Affected open-source packages

OSV did not return a package mapping in the five supported ecosystems. RequestGuard does not infer package names from the CISA vendor or product fields.