8.8

CVE-2021-20046

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Sonicwall ≫ Sonicos Version <= 7.0.1-r146
   Sonicwall ≫ Nsa 2650 Version -
   Sonicwall ≫ Nsa 2700 Version -
   Sonicwall ≫ Nsa 3650 Version -
   Sonicwall ≫ Nsa 3700 Version -
   Sonicwall ≫ Nsa 4650 Version -
   Sonicwall ≫ Nsa 4700 Version -
   Sonicwall ≫ Nsa 5650 Version -
   Sonicwall ≫ Nsa 6650 Version -
   Sonicwall ≫ Nsa 6700 Version -
   Sonicwall ≫ Nsa 9250 Version -
   Sonicwall ≫ Nsa 9450 Version -
   Sonicwall ≫ Nsa 9650 Version -
   Sonicwall ≫ Tz270 Version -
   Sonicwall ≫ Tz270w Version -
   Sonicwall ≫ Tz300 Version -
   Sonicwall ≫ Tz300p Version -
   Sonicwall ≫ Tz300w Version -
   Sonicwall ≫ Tz350 Version -
   Sonicwall ≫ Tz350w Version -
   Sonicwall ≫ Tz370 Version -
   Sonicwall ≫ Tz370w Version -
   Sonicwall ≫ Tz400 Version -
   Sonicwall ≫ Tz400w Version -
   Sonicwall ≫ Tz470 Version -
   Sonicwall ≫ Tz470w Version -
   Sonicwall ≫ Tz500 Version -
   Sonicwall ≫ Tz500w Version -
   Sonicwall ≫ Tz570 Version -
   Sonicwall ≫ Tz570p Version -
   Sonicwall ≫ Tz570w Version -
   Sonicwall ≫ Tz600 Version -
   Sonicwall ≫ Tz600p Version -
   Sonicwall ≫ Tz670 Version -
Sonicwall ≫ Sonicos Version <= 7.0.1-5023-1349
   Sonicwall ≫ Nsv 10 Version -
   Sonicwall ≫ Nsv 100 Version -
   Sonicwall ≫ Nsv 1600 Version -
   Sonicwall ≫ Nsv 200 Version -
   Sonicwall ≫ Nsv 25 Version -
   Sonicwall ≫ Nsv 270 Version -
   Sonicwall ≫ Nsv 300 Version -
   Sonicwall ≫ Nsv 400 Version -
   Sonicwall ≫ Nsv 470 Version -
   Sonicwall ≫ Nsv 50 Version -
   Sonicwall ≫ Nsv 800 Version -
   Sonicwall ≫ Nsv 870 Version -
Sonicwall ≫ Sonicos Version <= 7.0.1-5018-r1715
   Sonicwall ≫ Nssp 12400 Version -
   Sonicwall ≫ Nssp 12800 Version -
   Sonicwall ≫ Nssp 13700 Version -
   Sonicwall ≫ Nssp 15700 Version -
Sonicwall ≫ Sonicos Version <= 6.5.4.8-89n
   Sonicwall ≫ Nsa 2650 Version -
   Sonicwall ≫ Nsa 2700 Version -
   Sonicwall ≫ Nsa 3650 Version -
   Sonicwall ≫ Nsa 3700 Version -
   Sonicwall ≫ Nsa 4650 Version -
   Sonicwall ≫ Nsa 4700 Version -
   Sonicwall ≫ Nsa 5650 Version -
   Sonicwall ≫ Nsa 6650 Version -
   Sonicwall ≫ Nsa 6700 Version -
   Sonicwall ≫ Nsa 9250 Version -
   Sonicwall ≫ Nsa 9450 Version -
   Sonicwall ≫ Nsa 9650 Version -
   Sonicwall ≫ Soho 250w Version -
   Sonicwall ≫ Supermassive 9200 Version -
   Sonicwall ≫ Supermassive 9400 Version -
   Sonicwall ≫ Supermassive 9600 Version -
   Sonicwall ≫ Supermassive 9800 Version -
   Sonicwall ≫ Tz270 Version -
   Sonicwall ≫ Tz270w Version -
   Sonicwall ≫ Tz300 Version -
   Sonicwall ≫ Tz300p Version -
   Sonicwall ≫ Tz300w Version -
   Sonicwall ≫ Tz350 Version -
   Sonicwall ≫ Tz350w Version -
   Sonicwall ≫ Tz370 Version -
   Sonicwall ≫ Tz370w Version -
   Sonicwall ≫ Tz400 Version -
   Sonicwall ≫ Tz400w Version -
   Sonicwall ≫ Tz470 Version -
   Sonicwall ≫ Tz470w Version -
   Sonicwall ≫ Tz500 Version -
   Sonicwall ≫ Tz500w Version -
   Sonicwall ≫ Tz570 Version -
   Sonicwall ≫ Tz570p Version -
   Sonicwall ≫ Tz570w Version -
   Sonicwall ≫ Tz600 Version -
   Sonicwall ≫ Tz600p Version -
   Sonicwall ≫ Tz670 Version -
Sonicwall ≫ Sonicos Version <= 6.5.1.13-1n
   Sonicwall ≫ Nssp 12400 Version -
   Sonicwall ≫ Nssp 12800 Version -
   Sonicwall ≫ Supermassive 9800 Version -
Sonicwall ≫ Sonicos Version <= 6.0.5.3-94o
   Sonicwall ≫ Supermassive E10200 Version -
   Sonicwall ≫ Supermassive E10400 Version -
   Sonicwall ≫ Supermassive E10800 Version -
Sonicwall ≫ Sonicos Version >= 5.0.0.0 <= 5.9.1.13
   Sonicwall ≫ Nsa 2650 Version -
   Sonicwall ≫ Nsa 2700 Version -
   Sonicwall ≫ Nsa 3650 Version -
   Sonicwall ≫ Nsa 3700 Version -
   Sonicwall ≫ Nsa 4650 Version -
   Sonicwall ≫ Nsa 4700 Version -
   Sonicwall ≫ Nsa 5650 Version -
   Sonicwall ≫ Nsa 6650 Version -
   Sonicwall ≫ Nsa 6700 Version -
   Sonicwall ≫ Nsa 9250 Version -
   Sonicwall ≫ Nsa 9450 Version -
   Sonicwall ≫ Nsa 9650 Version -
   Sonicwall ≫ Soho 250 Version -
   Sonicwall ≫ Soho 250w Version -
   Sonicwall ≫ Tz270 Version -
   Sonicwall ≫ Tz270w Version -
   Sonicwall ≫ Tz300 Version -
   Sonicwall ≫ Tz300p Version -
   Sonicwall ≫ Tz300w Version -
   Sonicwall ≫ Tz350 Version -
   Sonicwall ≫ Tz350w Version -
   Sonicwall ≫ Tz370 Version -
   Sonicwall ≫ Tz370w Version -
   Sonicwall ≫ Tz400 Version -
   Sonicwall ≫ Tz400w Version -
   Sonicwall ≫ Tz470 Version -
   Sonicwall ≫ Tz470w Version -
   Sonicwall ≫ Tz500 Version -
   Sonicwall ≫ Tz500w Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 1.94% 0.775
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
CWE-121 Stack-based Buffer Overflow

A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0027
Vendor Advisory