CVE-2005-2993: Unspecified vulnerability in the FTP Daemon (ftpd) for HP Tru64 UNIX 4.0F PK8 and other versions up to HP Tru6

Q: How do I fix CVE-2005-2993?

hp-ux: mitigate or apply the listed mitigation; tru64: upgrade to newer than 5.1b3. Exact commands for each OS are on this page.

Q: Is CVE-2005-2993 being exploited?

CVE-2005-2993 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-2005-2993 affect?

CVE-2005-2993 affects hp-ux, tru64. Severity is low (CVSS 1.7). Unspecified vulnerability in the FTP Daemon (ftpd) for HP Tru64 UNIX 4.0F PK8 and other versions up to HP Tru64 UNIX 5.1B-3, and HP-UX B.11.00, B.11.04, B.11.11, and B.11.23, allows remote authenticated users to cause a denial of service (h

Q: How urgent is CVE-2005-2993?

Priority 19/100. No elevated risk signals yet.

Routine

LOW 1.7MITIGATEUPGRADE

CVE-2005-2993 is a low-severity flaw (CVSS 1.7) affecting hp-ux, tru64. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unspecified vulnerability in the FTP Daemon (ftpd) for HP Tru64 UNIX 4.0F PK8 and other versions up to HP Tru64 UNIX 5.1B-3, and HP-UX B.11.00, B.11.04, B.11.11, and B.11.23, allows remote authenticated users to cause a denial of service (hang).

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	1.7 (Low)
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Published	2005-09-20
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hp

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

Am I affected?

Timeline

2005-09-20 20:03 UTCPublished CVE record published
2026-06-16 22:16 UTCUpdated Record last modified

hp hp-ux MITIGATE

Affected: 11.00 · 11.4 · 11.11 · 11.23

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.00

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

hp tru64 UPGRADE

Affected: <= 5.1b3 · 4.0f pk8

Fixed in: newer than 5.1b3

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2005-2993?

hp-ux: mitigate or apply the listed mitigation; tru64: upgrade to newer than 5.1b3. Exact commands for each OS are on this page.

Is CVE-2005-2993 being exploited?

CVE-2005-2993 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-2005-2993 affect?

CVE-2005-2993 affects hp-ux, tru64. Severity is low (CVSS 1.7). Unspecified vulnerability in the FTP Daemon (ftpd) for HP Tru64 UNIX 4.0F PK8 and other versions up to HP Tru64 UNIX 5.1B-3, and HP-UX B.11.00, B.11.04, B.11.11, and B.11.23, allows remote authenticated users to cause a denial of service (h

How urgent is CVE-2005-2993?

Priority 19/100. No elevated risk signals yet.

Related CVEs

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CVE-2000-0972 MEDIUM 5.5 MITIGATE HP-UX 11.00 crontab allows local users to read arbitrary files via the -e option by creating a symlink to the
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References

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