CVE-2007-3340: BugHunter HTTP SERVER (httpsv.exe) 1.6.2 allows remote attackers to cause a denial of service (application cra

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HIGH 7.8DOWNGRADE

CVE-2007-3340 is a high-severity flaw (CVSS 7.8) affecting http server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BugHunter HTTP SERVER (httpsv.exe) 1.6.2 allows remote attackers to cause a denial of service (application crash) via a large number of requests for nonexistent pages.

Why this priority

High severity
EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-119
Published	2007-06-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bughunter

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

Am I affected?

Timeline

2007-06-21 22:30 UTCPublished CVE record published
2026-06-16 22:41 UTCUpdated Record last modified

bughunter http server DOWNGRADE

Affected: 1.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.2

1. Check installed version

apt-cache policy http-server || rpm -q http-server || http-server --version

2. No fixed release: DOWNGRADE to a release before 1.6.2 (Debian / Ubuntu)

apt-cache madison http-server sudo apt install http-server=<VERSION_BEFORE_1.6.2> sudo apt-mark hold http-server

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

dnf --showduplicates list http-server sudo dnf downgrade http-server-<VERSION_BEFORE_1.6.2> sudo dnf versionlock add http-server

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: BugHunter HTTP Server 1.6.2 - 'httpsv.exe' GET 404 Remote Denial of Service

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-2007-3340?

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

Is CVE-2007-3340 being exploited?

CVE-2007-3340 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-2007-3340 affect?

CVE-2007-3340 affects http server. Severity is high (CVSS 7.8). BugHunter HTTP SERVER (httpsv.exe) 1.6.2 allows remote attackers to cause a denial of service (application crash) via a large number of requests for nonexistent pages.

How urgent is CVE-2007-3340?

Priority 55/100. High severity; EPSS top 9%: very likely to be exploited; Public exploit reference

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References

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