CVE-2021-20027
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
A buffer overflow vulnerability in SonicOS allows a remote attacker to cause a Denial of Service (DoS) by sending a specially crafted request. This vulnerability affects SonicOS Gen5, Gen6, Gen7 platforms, and SonicOSv virtual firewalls.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
SonicOS
- Vendor
- SonicWall
- Product
- SonicOS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| SonicOS 5.9.1.13 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOSv 6.5.4.4 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 6.0.5.3 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 6.5.1.12 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 6.5.4.7 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 7.0.1-R1219 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 7.0.1-R514 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| SonicOS 7.0.1-R1262 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |