CVE-2002-2416: Directory traversal vulnerability in Zeroo web server 1.5 allows remote attackers to read arbitrary files via

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MEDIUM 5.0DOWNGRADE

CVE-2002-2416 is a medium-severity flaw (CVSS 5.0) affecting http server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in Zeroo web server 1.5 allows remote attackers to read arbitrary files via a .. (dot dot) in a URL GET request.

Why this priority

EPSS top 7%: 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	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-22
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: zeroo

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

zeroo http server DOWNGRADE

Affected: 1.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5

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 1.5 (Debian / Ubuntu)

apt-cache madison http-server sudo apt install http-server=<VERSION_BEFORE_1.5> 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_1.5> 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: Zeroo HTTP Server 1.5 - Directory Traversal (1)
Exploit-DB: Zeroo HTTP Server 1.5 - Directory Traversal (2)

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-2002-2416?

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

Is CVE-2002-2416 being exploited?

CVE-2002-2416 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-2002-2416 affect?

CVE-2002-2416 affects http server. Severity is medium (CVSS 5.0). Directory traversal vulnerability in Zeroo web server 1.5 allows remote attackers to read arbitrary files via a .. (dot dot) in a URL GET request.

How urgent is CVE-2002-2416?

Priority 46/100. EPSS top 7%: very likely to be exploited; Public exploit reference

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References

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