CVE-2007-3365: MyServer 0.8.9 and earlier does not properly handle uppercase characters in filename extensions, which allows

Q: How do I fix CVE-2007-3365?

myserver: upgrade to newer than 0.8.9. Exact commands for each OS are on this page.

Q: Is CVE-2007-3365 being exploited?

CVE-2007-3365 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-2007-3365 affect?

CVE-2007-3365 affects myserver. Severity is high (CVSS 7.5). MyServer 0.8.9 and earlier does not properly handle uppercase characters in filename extensions, which allows remote attackers to obtain sensitive information (script source code) via a modified extension, as demonstrated by post.mscgI.

Q: How urgent is CVE-2007-3365?

Priority 60/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2007-3365 is a high-severity flaw (CVSS 7.5) affecting myserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MyServer 0.8.9 and earlier does not properly handle uppercase characters in filename extensions, which allows remote attackers to obtain sensitive information (script source code) via a modified extension, as demonstrated by post.mscgI.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-178
Published	2007-06-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: myserverproject

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

Am I affected?

Timeline

2007-06-22 18:30 UTCPublished CVE record published
2026-06-16 22:41 UTCUpdated Record last modified

myserverproject myserver UPGRADE

Affected: <= 0.8.9

Fixed in: newer than 0.8.9

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.8.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade myserver

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade myserver

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: MyServer 0.8.9 - Filename Parse Error Information Disclosure

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-2007-3365?

myserver: upgrade to newer than 0.8.9. Exact commands for each OS are on this page.

Is CVE-2007-3365 being exploited?

CVE-2007-3365 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-2007-3365 affect?

CVE-2007-3365 affects myserver. Severity is high (CVSS 7.5). MyServer 0.8.9 and earlier does not properly handle uppercase characters in filename extensions, which allows remote attackers to obtain sensitive information (script source code) via a modified extension, as demonstrated by post.mscgI.

How urgent is CVE-2007-3365?

Priority 60/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2008-5160 MEDIUM 5.0 DOWNGRADE Unspecified vulnerability in MyServer 0.8.11 allows remote attackers to cause a denial of service (daemon cras
CVE-2007-3364 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in the cgi-bin/post.mscgi sample page in MyServer 0.8.9 allows remote
CVE-2007-2414 HIGH 7.8 UPGRADE MyServer before 0.8.8 allows remote attackers to cause a denial of service via unspecified vectors.
CVE-2007-1588 HIGH 7.5 DOWNGRADE server.cpp in MyServer 0.8.5 calls Process::setuid before calling Process::setgid and thus does not properly d
CVE-2005-1658 MEDIUM 5.0 DOWNGRADE Directory traversal vulnerability in filemanager.cpp in MyServer 0.8 allows remote attackers to list the paren

References

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