CVE-2005-1173: Buffer overflow in PMSoftware Simple Web Server 1.0 allows remote attackers to execute arbitrary code via a lo

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HIGH 7.5DOWNGRADE

CVE-2005-1173 is a high-severity flaw (CVSS 7.5) affecting simple web server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in PMSoftware Simple Web Server 1.0 allows remote attackers to execute arbitrary code via a long GET request.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	9.7% (top 5%)
CISA exploited list	No
Published	2005-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pmsoftware

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

Am I affected?

Timeline

2005-05-02 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

pmsoftware simple web server DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy simple-web-server || rpm -q simple-web-server || simple-web-server --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison simple-web-server sudo apt install simple-web-server=<VERSION_BEFORE_1.0> sudo apt-mark hold simple-web-server

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

dnf --showduplicates list simple-web-server sudo dnf downgrade simple-web-server-<VERSION_BEFORE_1.0> sudo dnf versionlock add simple-web-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: PMSoftware Simple Web Server - GET Remote Buffer Overflow
Exploit-DB: PMSoftware Simple Web Server 1.0 - Remote Stack Overflow

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-2005-1173?

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

Is CVE-2005-1173 being exploited?

CVE-2005-1173 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-2005-1173 affect?

CVE-2005-1173 affects simple web server. Severity is high (CVSS 7.5). Buffer overflow in PMSoftware Simple Web Server 1.0 allows remote attackers to execute arbitrary code via a long GET request.

How urgent is CVE-2005-1173?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2002-1238 HIGH 7.5 UPGRADE Peter Sandvik's Simple Web Server 0.5.1 and earlier allows remote attackers to bypass access restrictions for

References

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