CVE-2021-47865
8.7
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Summary
ProFTPD 1.3.7a contains a denial of service vulnerability that allows attackers to overwhelm the server by creating multiple simultaneous FTP connections. Attackers can repeatedly establish connections using threading to exhaust server connection limits and block legitimate user access.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ProFTPD | ProFTPD | 1.3.7a | affected |
Weaknesses
- CWE-770: Allocation of Resources Without Limits or Throttling
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://www.exploit-db.com/exploits/49697
- http://www.proftpd.org/
- https://github.com/proftpd/proftpd/issues/1298
- https://www.vulncheck.com/advisories/proftpd-a-remote-denial-of-service
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