CVE-2008-6791: PumpKIN TFTP Server 2.7.2.0 allows remote attackers to cause a denial of service via a write request with a lo

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MEDIUM 5.0DOWNGRADE

CVE-2008-6791 is a medium-severity flaw (CVSS 5.0) affecting pumpkin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PumpKIN TFTP Server 2.7.2.0 allows remote attackers to cause a denial of service via a write request with a long mode field.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	7.1% (top 6%)
CISA exploited list	No
Weakness	CWE-20
Published	2009-05-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: klever

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

Am I affected?

Timeline

2009-05-04 19:00 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

klever pumpkin DOWNGRADE

Affected: 2.7.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.2.0

1. Check installed version

apt-cache policy pumpkin || rpm -q pumpkin || pumpkin --version

2. No fixed release: DOWNGRADE to a release before 2.7.2.0 (Debian / Ubuntu)

apt-cache madison pumpkin sudo apt install pumpkin=<VERSION_BEFORE_2.7.2.0> sudo apt-mark hold pumpkin

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

dnf --showduplicates list pumpkin sudo dnf downgrade pumpkin-<VERSION_BEFORE_2.7.2.0> sudo dnf versionlock add pumpkin

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: PumpKIN TFTP Server 2.7.2.0 - Denial of Service (Metasploit)

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-2008-6791?

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

Is CVE-2008-6791 being exploited?

CVE-2008-6791 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-2008-6791 affect?

CVE-2008-6791 affects pumpkin. Severity is medium (CVSS 5.0). PumpKIN TFTP Server 2.7.2.0 allows remote attackers to cause a denial of service via a write request with a long mode field.

How urgent is CVE-2008-6791?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

References

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