CVE detail
CVE-2021-20040
A relative path traversal vulnerability in the SMA100 upload funtion allows a remote unauthenticated attacker to upload crafted web pages or files as a 'nobody' user. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
Rapid7 today shared details on a series of vulnerabilities that SonicWall patched in the Secure Mobile Access (SMA) 100 series secure access gateway products last month.
newswww.securityweek.comJan 11, 2022, 6:24 PMSonicWall strongly urges customers using SMA 100 series appliances to install security patches that address multiple security flaws, some of them rated as critical. Security vendor SonicWall urges customers using SMA 100 series appliances to apply security patches that address multiple security vulnerabilities, some of which have been rated as critical. “SonicWall has verified and […]
newssecurityaffairs.comDec 8, 2021, 8:08 PM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
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- CVE-2021-20034CVSS 9.1 · Critical
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- CVE-2025-32821CVSS 7.2 · High
A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN admin privileges can with admin privileges can inject shell command arguments to upload a file on the…
- CVE-2025-32819CVSS 8.8 · High
A vulnerability in SMA100 allows a remote authenticated attacker with SSLVPN user privileges to bypass the path traversal checks and delete an arbitrary file potentially resulting…
- CVE-2024-53703CVSS 8.1 · High
A vulnerability in the SonicWall SMA100 SSLVPN firmware 10.2.1.13-72sv and earlier versions mod_httprp library loaded by the Apache web server allows remote attackers to cause Sta…
- CVE-2024-53702CVSS 5.3 · Medium
Use of cryptographically weak pseudo-random number generator (PRNG) vulnerability in the SonicWall SMA100 SSLVPN backup code generator that, in certain cases, can be predicted by…