CVE-2020-8815: Improper connection handling in the base connection handler in IKTeam BearFTP before v0.3.1 allows a remote at

Q: How do I fix CVE-2020-8815?

bearftp: upgrade to 0.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-8815 being exploited?

CVE-2020-8815 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-8815 affect?

CVE-2020-8815 affects bearftp. Severity is high (CVSS 7.5). 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.

Q: How urgent is CVE-2020-8815?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-8815 is a high-severity flaw (CVSS 7.5) affecting bearftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.2% (top 18%)
CISA exploited list	No
Weakness	CWE-20
Published	2020-02-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: iktm

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-12 15:15 UTCPublished CVE record published
2026-06-17 03:26 UTCUpdated Record last modified

iktm bearftp UPGRADE

Affected: < 0.3.1

Fixed in: 0.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bearftp || rpm -q bearftp || bearftp --version

2. UPGRADE to 0.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bearftp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bearftp

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-8815?

bearftp: upgrade to 0.3.1. Exact commands for each OS are on this page.

Is CVE-2020-8815 being exploited?

CVE-2020-8815 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-8815 affect?

CVE-2020-8815 affects bearftp. Severity is high (CVSS 7.5). 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.

How urgent is CVE-2020-8815?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-8416 HIGH 7.5 UPGRADE IKTeam BearFTP before 0.2.0 allows remote attackers to achieve denial of service via a large volume of connect

References

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