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[email protected]CVE-2021-20027

HistoryJun 14, 2021 - 11:15 p.m.

CVE-2021-20027

2021-06-1423:15:07

CWE-120

[email protected]

web.nvd.nist.gov

cve-2021-20027

buffer overflow

sonicos

remote attack

denial of service

dos

vulnerability

nvd

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

58.8%

JSON

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.

Affected configurations

NVD

Node

sonicwallnsa_2650Match-

sonicwallnsa_2700Match-

sonicwallnsa_3650Match-

sonicwallnsa_3700Match-

sonicwallnsa_4650Match-

sonicwallnsa_4700Match-

sonicwallnsa_5650Match-

sonicwallnsa_6650Match-

sonicwallnsa_6700Match-

sonicwallnsa_9250Match-

sonicwallnsa_9450Match-

sonicwallnsa_9650Match-

sonicwalltz270Match-

sonicwalltz270wMatch-

sonicwalltz300Match-

sonicwalltz300pMatch-

sonicwalltz300wMatch-

sonicwalltz350Match-

sonicwalltz350wMatch-

sonicwalltz370Match-

sonicwalltz370wMatch-

sonicwalltz400Match-

sonicwalltz400wMatch-

sonicwalltz470Match-

sonicwalltz470wMatch-

sonicwalltz500Match-

sonicwalltz500wMatch-

sonicwalltz570Match-

sonicwalltz570pMatch-

sonicwalltz570wMatch-

sonicwalltz600Match-

sonicwalltz600pMatch-

sonicwalltz670Match-

AND

sonicwallsonicosRange≤7.0.1-r1262

Node

sonicwallnsv_10Match-

sonicwallnsv_100Match-

sonicwallnsv_1600Match-

sonicwallnsv_200Match-

sonicwallnsv_25Match-

sonicwallnsv_270Match-

sonicwallnsv_300Match-

sonicwallnsv_400Match-

sonicwallnsv_470Match-

sonicwallnsv_50Match-

sonicwallnsv_800Match-

sonicwallnsv_870Match-

AND

sonicwallsonicosRange≤7.0.1-r.1219

Node

sonicwallnssp_12400Match-

sonicwallnssp_12800Match-

sonicwallnssp_13700Match-

sonicwallnssp_15700Match-

AND

sonicwallsonicosRange≤7.0.1-r514

Node

sonicwallnsa_2650Match-

sonicwallnsa_2700Match-

sonicwallnsa_3650Match-

sonicwallnsa_3700Match-

sonicwallnsa_4650Match-

sonicwallnsa_4700Match-

sonicwallnsa_5650Match-

sonicwallnsa_6650Match-

sonicwallnsa_6700Match-

sonicwallnsa_9250Match-

sonicwallnsa_9450Match-

sonicwallnsa_9650Match-

sonicwallsoho_250Match-

sonicwallsoho_250wMatch-

sonicwalltz270Match-

sonicwalltz270wMatch-

sonicwalltz300Match-

sonicwalltz300pMatch-

sonicwalltz300wMatch-

sonicwalltz350Match-

sonicwalltz350wMatch-

sonicwalltz370Match-

sonicwalltz370wMatch-

sonicwalltz400Match-

sonicwalltz400wMatch-

sonicwalltz470Match-

sonicwalltz470wMatch-

sonicwalltz500Match-

sonicwalltz500wMatch-

sonicwalltz570Match-

sonicwalltz570pMatch-

sonicwalltz570wMatch-

sonicwalltz600Match-

sonicwalltz600pMatch-

sonicwalltz670Match-

AND

sonicwallsonicosRange≤5.9.1.13

Node

sonicwallnssp_12400Match-

sonicwallnssp_12800Match-

sonicwallsupermassive_9800Match-

AND

sonicwallsonicosRange≤6.5.1.12

Node

sonicwallnsa_2650Match-

sonicwallnsa_2700Match-

sonicwallnsa_3650Match-

sonicwallnsa_3700Match-

sonicwallnsa_4650Match-

sonicwallnsa_4700Match-

sonicwallnsa_5650Match-

sonicwallnsa_6650Match-

sonicwallnsa_6700Match-

sonicwallnsa_9250Match-

sonicwallnsa_9450Match-

sonicwallnsa_9650Match-

sonicwallsoho_250Match-

sonicwallsoho_250wMatch-

sonicwallsupermassive_9200Match-

sonicwallsupermassive_9400Match-

sonicwallsupermassive_9600Match-

sonicwalltz270Match-

sonicwalltz270wMatch-

sonicwalltz300Match-

sonicwalltz300pMatch-

sonicwalltz300wMatch-

sonicwalltz350Match-

sonicwalltz350wMatch-

sonicwalltz370Match-

sonicwalltz370wMatch-

sonicwalltz400Match-

sonicwalltz400wMatch-

sonicwalltz470Match-

sonicwalltz470wMatch-

sonicwalltz500Match-

sonicwalltz500wMatch-

sonicwalltz570Match-

sonicwalltz570pMatch-

sonicwalltz570wMatch-

sonicwalltz600Match-

sonicwalltz600pMatch-

sonicwalltz670Match-

AND

sonicwallsonicosRange≤6.5.4.7

Node

sonicwallnsv_10Match-

sonicwallnsv_100Match-

sonicwallnsv_1600Match-

sonicwallnsv_200Match-

sonicwallnsv_25Match-

sonicwallnsv_270Match-

sonicwallnsv_300Match-

sonicwallnsv_400Match-

sonicwallnsv_470Match-

sonicwallnsv_50Match-

sonicwallnsv_800Match-

sonicwallnsv_870Match-

AND

sonicwallsonicos

Node

sonicwallsupermassive_e10200Match-

sonicwallsupermassive_e10400Match-

sonicwallsupermassive_e10800Match-

AND

sonicwallsonicosRange≤6.0.5.3-94o

CPENameOperatorVersion
sonicwall:sonicossonicwall sonicosle7.0.1-r1262

CPE	Name	Operator	Version
sonicwall:sonicos	sonicwall sonicos	le	7.0.1-r1262

CNA Affected

[
  {
    "product": "SonicOS",
    "vendor": "SonicWall",
    "versions": [
      {
        "status": "affected",
        "version": "SonicOS 5.9.1.13 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOSv 6.5.4.4 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 6.0.5.3 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 6.5.1.12 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 6.5.4.7 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 7.0.1-R1219 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 7.0.1-R514 and earlier"
      },
      {
        "status": "affected",
        "version": "SonicOS 7.0.1-R1262 and earlier"
      }
    ]
  }
]

References

psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0016

Social References

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

58.8%

JSON

Related for CVE-2021-20027

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