VulnerabilityModified
CVE-2020-8815
Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets.
HIGH 7.5EPSS 2.19%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote attacker to achieve denial of service via a Slowloris approach by sending a large volume of small packets.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.19% probability · 81th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- iktm/bearftp
- Source
- cve@mitre.org
References
- https://github.com/kolya5544/BearFTPThird Party Advisory
- https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525Exploit, Third Party Advisory
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26Patch, Third Party Advisory
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66adPatch, Third Party Advisory
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0Release Notes, Third Party Advisory
- https://github.com/kolya5544/BearFTPThird Party Advisory
- https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525Exploit, Third Party Advisory
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26Patch, Third Party Advisory
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66adPatch, Third Party Advisory
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.