AEGLIX vulnerability intelligence
CVE-2021-20023
MEDIUM · CVSS 4.9 · Analyzed
Published: 2021-04-20 · Updated: 2026-10-01 · Source: NVD
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Vulnerability overview
SonicWall Email Security version 10.0.9.x contains a vulnerability that allows a post-authenticated attacker to read an arbitrary file on the remote host.
Severity and scoring
- CVSS score
- 4.9 · MEDIUM
- CVSS version
- 3.1
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22
CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.
Known exploitation and remediation
Listed in CISA’s Known Exploited Vulnerabilities catalog.
- Affected product
- SonicWall · SonicWall Email Security
- Added to catalog
- 2021-11-03
- Required action
- Apply updates per vendor instructions.
- CISA remediation due date
- 2021-11-17
CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.
Verify affected versions and patch availability in the vendor advisory before making changes.
Affected products and versions
cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6173
cpe:2.3:o:sonicwall:email_security_appliance_9000_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_3300_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_4300_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_8300_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_5000_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_7000_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_5050_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:o:sonicwall:email_security_appliance_7050_firmware:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:a:sonicwall:email_security_virtual_appliance:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6177
cpe:2.3:a:sonicwall:hosted_email_security:*:*:*:*:*:*:*:*
Before (exclusive): 10.0.9.6173
These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.