CVE-2008-4552: The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl f

Q: How do I fix CVE-2008-4552?

nfs-utils: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2008-4552 being exploited?

CVE-2008-4552 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-2008-4552 affect?

CVE-2008-4552 affects nfs-utils. Severity is high (CVSS 7.5). The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass int

This month

HIGH 7.5UPGRADE

CVE-2008-4552 is a high-severity flaw (CVSS 7.5) affecting nfs-utils. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass intended access restrictions.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-264
Published	2008-10-14
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: nfs

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

Am I affected?

Timeline

2008-10-14 20:00 UTCPublished CVE record published
2026-06-16 22:58 UTCUpdated Record last modified

nfs nfs-utils UPGRADE

Affected: <= 1.1.2 · 0.2 · 0.2.1 · 0.3.1 · 0.3.3 · 1.0 · 1.0.1 · 1.0.2

Fixed in: newer than 1.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nfs-utils || rpm -q nfs-utils || nfs-utils --version

2. UPGRADE to newer than 1.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nfs-utils

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nfs-utils

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-2008-4552?

nfs-utils: upgrade to newer than 1.1.2. Exact commands for each OS are on this page.

Is CVE-2008-4552 being exploited?

CVE-2008-4552 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-2008-4552 affect?

CVE-2008-4552 affects nfs-utils. Severity is high (CVSS 7.5). The good_client function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hosts_ctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass int

How urgent is CVE-2008-4552?

Priority 47/100. High severity

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References

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