CVE-2005-3765: Exponent CMS 0.96.3 and later versions performs a chmod on uploaded files to give them execute permissions, wh

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HIGH 7.5DOWNGRADE

CVE-2005-3765 is a high-severity flaw (CVSS 7.5) affecting exponent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Exponent CMS 0.96.3 and later versions performs a chmod on uploaded files to give them execute permissions, which allows remote attackers to execute arbitrary code.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Published	2005-11-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: exponent

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

Am I affected?

Timeline

2005-11-22 23:03 UTCPublished CVE record published
2026-06-16 22:17 UTCUpdated Record last modified

exponent exponent DOWNGRADE

Affected: 0.94 · 0.95 · 0.96.1 · 0.96.3 · 0.96.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.94

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.94 (Debian / Ubuntu)

apt-cache madison exponent sudo apt install exponent=<VERSION_BEFORE_0.94> sudo apt-mark hold exponent

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

dnf --showduplicates list exponent sudo dnf downgrade exponent-<VERSION_BEFORE_0.94> sudo dnf versionlock add exponent

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.

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-2005-3765?

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

Is CVE-2005-3765 being exploited?

CVE-2005-3765 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-2005-3765 affect?

CVE-2005-3765 affects exponent. Severity is high (CVSS 7.5). Exponent CMS 0.96.3 and later versions performs a chmod on uploaded files to give them execute permissions, which allows remote attackers to execute arbitrary code.

How urgent is CVE-2005-3765?

Priority 48/100. High severity

Related CVEs

CVE-2005-3767 MEDIUM 5.0 DOWNGRADE Exponent CMS 0.96.3 and later versions does not properly restrict the types of uploaded files, which allows re
CVE-2005-3766 MEDIUM 5.0 DOWNGRADE Exponent CMS 0.96.3 and later versions stores sensitive user pages under the web document root with insufficie
CVE-2005-3764 HIGH 10.0 DOWNGRADE The image gallery (imagegallery) component in Exponent CMS 0.96.3 and later versions does not properly check t
CVE-2005-3763 MEDIUM 5.0 DOWNGRADE Exponent CMS 0.96.3 and later versions includes the full installation path in the base parameter to thumb.php,
CVE-2005-3762 HIGH 7.5 DOWNGRADE SQL injection vulnerability in the navigation module (navigationmodule) in Exponent CMS 0.96.3 and later versi

References

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