CVE-2004-2300: Buffer overflow in snmpd in ucd-snmp 4.2.6 and earlier, when installed setuid root, allows local users to exec

Q: How do I fix CVE-2004-2300?

ucd-snmp: upgrade to newer than 4.2.6. Exact commands for each OS are on this page.

Q: Is CVE-2004-2300 being exploited?

CVE-2004-2300 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-2004-2300 affect?

CVE-2004-2300 affects ucd-snmp. Severity is high (CVSS 7.2). Buffer overflow in snmpd in ucd-snmp 4.2.6 and earlier, when installed setuid root, allows local users to execute arbitrary code via a long -p command line argument. NOTE: it is not clear whether there are any standard configurations in wh

Q: How urgent is CVE-2004-2300?

Priority 43/100. High severity; Public exploit reference

This month

HIGH 7.2UPGRADE

CVE-2004-2300 is a high-severity flaw (CVSS 7.2) affecting ucd-snmp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in snmpd in ucd-snmp 4.2.6 and earlier, when installed setuid root, allows local users to execute arbitrary code via a long -p command line argument. NOTE: it is not clear whether there are any standard configurations in which snmpd is installed setuid or setgid. If not, then this issue should not be included in CVE.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ucd-snmp

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

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:09 UTCUpdated Record last modified

ucd-snmp ucd-snmp UPGRADE

Affected: <= 4.2.6

Fixed in: newer than 4.2.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ucd-snmp || rpm -q ucd-snmp || ucd-snmp --version

2. UPGRADE to newer than 4.2.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ucd-snmp

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ucd-snmp

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-2004-2300?

ucd-snmp: upgrade to newer than 4.2.6. Exact commands for each OS are on this page.

Is CVE-2004-2300 being exploited?

CVE-2004-2300 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-2004-2300 affect?

CVE-2004-2300 affects ucd-snmp. Severity is high (CVSS 7.2). Buffer overflow in snmpd in ucd-snmp 4.2.6 and earlier, when installed setuid root, allows local users to execute arbitrary code via a long -p command line argument. NOTE: it is not clear whether there are any standard configurations in wh

How urgent is CVE-2004-2300?

Priority 43/100. High severity; Public exploit reference

Related CVEs

CVE-2002-1570 HIGH 7.5 UPGRADE Heap-based buffer overflow in snmpnetstat for ucd-snmp 4.2.3 and earlier, and net-snmp, allows remote attacker

References

← Back to latest CVEs