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CVE-2020-8815

21
FAUCET Score

CVE-2020-8815 describes an improper connection handling vulnerability in IKTeam BearFTP versions prior to 0.3.1. This flaw allows a remote attacker to launch a denial-of-service attack using a Slowloris technique by flooding the server with numerous small packets. Rated with a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, leading to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.1CPE matchmatch criteria
cpe:2.3:a:iktm:bearftp:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.19%
Probability of exploitation in next 30 days
EPSS Percentile
80.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0219 is in the 66th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / kolya5544/BearFTP
Third Party Advisory
github.com / kolya5544/BearFTP/blob/f5a8047587c1a96456d4f291c12b038b9ab0d0c5/BearFTP/Program.cs
ExploitThird Party Advisory
github.com / kolya5544/BearFTP/commit/17a6ead72d4a25cbfcef5e27613aa0a5f88a4b26
PatchThird Party Advisory
github.com / kolya5544/BearFTP/commit/66dc9d95e58bca133f265457d32007cdf38b66ad
PatchThird Party Advisory
github.com / kolya5544/BearFTP/releases/tag/0.4.0
Release NotesThird Party Advisory