CVE-2015-4463: The file_manager component in eFront CMS before 3.6.15.5 allows remote authenticated users to bypass intended

Q: How do I fix CVE-2015-4463?

efront: upgrade to newer than 3.6.15.4. Exact commands for each OS are on this page.

Q: Is CVE-2015-4463 being exploited?

CVE-2015-4463 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-2015-4463 affect?

CVE-2015-4463 affects efront. Severity is medium (CVSS 6.5). The file_manager component in eFront CMS before 3.6.15.5 allows remote authenticated users to bypass intended file-upload restrictions by appending a crafted parameter to the file URL.

Q: How urgent is CVE-2015-4463?

Priority 45/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2015-4463 is a medium-severity flaw (CVSS 6.5) affecting efront. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The file_manager component in eFront CMS before 3.6.15.5 allows remote authenticated users to bypass intended file-upload restrictions by appending a crafted parameter to the file URL.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-434
Published	2017-07-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: efrontlearning

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-07-25 18:29 UTCPublished CVE record published
2026-06-17 00:27 UTCUpdated Record last modified

efrontlearning efront UPGRADE

Affected: <= 3.6.15.4

Fixed in: newer than 3.6.15.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.6.15.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade efront

Note

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

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-2015-4463?

efront: upgrade to newer than 3.6.15.4. Exact commands for each OS are on this page.

Is CVE-2015-4463 being exploited?

CVE-2015-4463 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-2015-4463 affect?

CVE-2015-4463 affects efront. Severity is medium (CVSS 6.5). The file_manager component in eFront CMS before 3.6.15.5 allows remote authenticated users to bypass intended file-upload restrictions by appending a crafted parameter to the file URL.

How urgent is CVE-2015-4463?

Priority 45/100. Public exploit reference

Related CVEs

CVE-2020-28597 HIGH 7.5 DOWNGRADE A predictable seed vulnerability exists in the password reset functionality of Epignosis EfrontPro 5.2.21
CVE-2015-4462 MEDIUM 6.5 UPGRADE Absolute path traversal vulnerability in the file_manager component of eFront CMS before 3.6.15.5 allows remot
CVE-2015-4461 MEDIUM 6.5 UPGRADE Absolute path traversal vulnerability in eFront CMS 3.6.15.4 and earlier allows remote Professor users to obta

References

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