Summary
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation.
- Vendor
- SonicWall
- Product
- SonicWall Email Security
- Added to KEV
- Nov 3, 2021
- Remediation due
- Nov 17, 2021 (US federal deadline)
- Ransomware use
- Known
- Weakness
- CWE-434
- EPSS
- 16.6% as of Nov 12
In the news
- No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
- none recorded
References