CVE-2021-20046
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 Stack-based buffer overflow in the SonicOS HTTP Content-Length response header allows a remote authenticated attacker to cause Denial of Service (DoS) and potentially results in code execution in the firewall. This vulnerability affected SonicOS Gen 5, Gen 6 and Gen 7 firmware versions.
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) |
|---|---|---|---|---|---|
| 7.0.1-R146 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.1-5023-1349 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.0.1-5018-R1715 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 6.5.4.8-89n and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 6.5.1.13-1n and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 6.0.5.3-94o and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 6.5.4.v_21s-1288 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |
| 5.9.1.13 and earlier | affected | Unavailable | Unavailable | Unavailable | None listed |