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CVE-2021-20048

🗓️ 10 Jan 2022 14:10:16Reported by GoogleType 
osv
 osv
🔗 osv.dev

Stack-based overflow in the SonicOS SessionID header allows authenticated attackers to cause denial of service and possible code execution on the firewall across Gen5–Gen7.

Related
Refs
ReporterTitlePublishedViews
Family
CNNVD
SonicWall SonicOS 缓冲区错误漏洞
5 Jan 202200:00
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CNVD
SonicWall SonicOS Buffer Overflow Vulnerability (CNVD-2022-06901)
10 Jan 202200:00
cnvd
CVE
CVE-2021-20048
7 Jan 202203:00
cve
Cvelist
CVE-2021-20048
7 Jan 202203:00
cvelist
EUVD
EUVD-2021-7511
3 Oct 202520:07
euvd
NCSC
Vulnerabilities fixed in SonicOS
6 Jan 202200:00
ncsc
NVD
CVE-2021-20048
10 Jan 202214:10
nvd
Prion
Stack overflow
10 Jan 202214:10
prion
RedhatCVE
CVE-2021-20048
22 May 202521:00
redhatcve
SonicWall
SonicOS SessionID Buffer Overflow via HTTP response
5 Jan 202218:38
sonicwall
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04 May 2026 08:33Current
7.3High risk
Vulners AI Score7.3
CVSS 3.18.8
EPSS0.01365
0