CVE-2020-8815
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 2.2% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 2.2% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 2.2% · EPSS, next 30 days
- Weakness
- CWE-20 · Improper input validation
- Record status
- Modified
Affected
- Iktm Bearftp < 0.3.1
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2020-8815.md and follow it. Check whether this project is affected by CVE-2020-8815. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0
References
- https://github.com/kolya5544/BearFTP
- https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0
- https://github.com/kolya5544/BearFTP
- https://github.com/kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs#L503-L525
- https://github.com/kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
- https://github.com/kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
- https://github.com/kolya5544/BearFTP/releases/tag/0.4.0