CVE-2005-1873: Multiple buffer overflows in Crob FTP 3.6.1, and possibly earlier versions, allow remote attackers to execute

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HIGH 7.5DOWNGRADE

CVE-2005-1873 is a high-severity flaw (CVSS 7.5) affecting crob ftp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple buffer overflows in Crob FTP 3.6.1, and possibly earlier versions, allow remote attackers to execute arbitrary code via (1) an FTP command with a large string followed by the RMD command with a long string or (2) a globbing ("*") character followed by a long string.

Why this priority

High severity
EPSS top 8%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	5.0% (top 8%)
CISA exploited list	No
Published	2005-06-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: crob

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-06-09 04:00 UTCPublished CVE record published
2026-06-16 22:13 UTCUpdated Record last modified

crob crob ftp DOWNGRADE

Affected: 3.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.6.1

1. Check installed version

apt-cache policy crob-ftp || rpm -q crob-ftp || crob-ftp --version

2. No fixed release: DOWNGRADE to a release before 3.6.1 (Debian / Ubuntu)

apt-cache madison crob-ftp sudo apt install crob-ftp=<VERSION_BEFORE_3.6.1> sudo apt-mark hold crob-ftp

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

dnf --showduplicates list crob-ftp sudo dnf downgrade crob-ftp-<VERSION_BEFORE_3.6.1> sudo dnf versionlock add crob-ftp

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Crob FTP Server 3.6.1 - Remote Stack Overflow

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-2005-1873?

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

Is CVE-2005-1873 being exploited?

CVE-2005-1873 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-2005-1873 affect?

CVE-2005-1873 affects crob ftp. Severity is high (CVSS 7.5). Multiple buffer overflows in Crob FTP 3.6.1, and possibly earlier versions, allow remote attackers to execute arbitrary code via (1) an FTP command with a large string followed by the RMD command with a long string or (2) a globbing ("*") c

How urgent is CVE-2005-1873?

Priority 54/100. High severity; EPSS top 8%: very likely to be exploited; Public exploit reference

References

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