CVE-2024-1016: A vulnerability was found in Solar FTP Server 2.1.1/2.1.2

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2024-1016 is a medium-severity flaw (CVSS 5.3) affecting solar ftp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Solar FTP Server 2.1.1/2.1.2. It has been declared as problematic. This vulnerability affects unknown code of the component PASV Command Handler. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. VDB-252286 is the identifier assigned to this vulnerability.

Why this priority

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

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-404
Published	2024-01-29
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: flexbyte

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

Am I affected?

Timeline

2024-01-29 18:15 UTCPublished CVE record published
2026-06-17 07:03 UTCUpdated Record last modified

flexbyte solar ftp server DOWNGRADE

Affected: 2.1.1 · 2.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.1

1. Check installed version

apt-cache policy solar-ftp-server || rpm -q solar-ftp-server || solar-ftp-server --version

2. No fixed release: DOWNGRADE to a release before 2.1.1 (Debian / Ubuntu)

apt-cache madison solar-ftp-server sudo apt install solar-ftp-server=<VERSION_BEFORE_2.1.1> sudo apt-mark hold solar-ftp-server

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list solar-ftp-server sudo dnf downgrade solar-ftp-server-<VERSION_BEFORE_2.1.1> sudo dnf versionlock add solar-ftp-server

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-1016?

solar ftp server: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-1016 being exploited?

CVE-2024-1016 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-2024-1016 affect?

CVE-2024-1016 affects solar ftp server. Severity is medium (CVSS 5.3). A vulnerability was found in Solar FTP Server 2.1.1/2.1.2. It has been declared as problematic. This vulnerability affects unknown code of the component PASV Command Handler. The manipulation leads to denial of service. The attack can be in

How urgent is CVE-2024-1016?

Priority 46/100. Public exploit reference; Remotely exploitable, no login, no user action

References

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