CVE-2015-5082: Endian Firewall before 3.0 allows remote attackers to execute arbitrary commands via shell metacharacters in t

Q: How do I fix CVE-2015-5082?

endian firewall: upgrade to newer than 2.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2015-5082 being exploited?

CVE-2015-5082 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-2015-5082 affect?

CVE-2015-5082 affects endian firewall. Severity is high (CVSS 10.0). Endian Firewall before 3.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) NEW_PASSWORD_1 or (2) NEW_PASSWORD_2 parameter to cgi-bin/chpasswd.cgi.

Q: How urgent is CVE-2015-5082?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 10.0UPGRADE

CVE-2015-5082 is a high-severity flaw (CVSS 10.0) affecting endian firewall. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Endian Firewall before 3.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) NEW_PASSWORD_1 or (2) NEW_PASSWORD_2 parameter to cgi-bin/chpasswd.cgi.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	69.9% (top 1%)
CISA exploited list	No
Weakness	CWE-77
Published	2015-09-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: endian firewall

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

Am I affected?

Timeline

2015-09-28 15:59 UTCPublished CVE record published
2026-06-17 00:28 UTCUpdated Record last modified

endian firewall endian firewall UPGRADE

Affected: <= 2.5.1

Fixed in: newer than 2.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy endian-firewall || rpm -q endian-firewall || endian-firewall --version

2. UPGRADE to newer than 2.5.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade endian-firewall

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade endian-firewall

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: Endian Firewall < 3.0.0 - OS Command Injection
Exploit-DB: Endian Firewall < 3.0.0 - OS Command Injection (Metasploit)
Exploit-DB: Endian Firewall - Password Change Command Injection (Metasploit)
Metasploit: Endian Firewall Proxy Password Change Command Injection

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-2015-5082?

endian firewall: upgrade to newer than 2.5.1. Exact commands for each OS are on this page.

Is CVE-2015-5082 being exploited?

CVE-2015-5082 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-2015-5082 affect?

CVE-2015-5082 affects endian firewall. Severity is high (CVSS 10.0). Endian Firewall before 3.0 allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) NEW_PASSWORD_1 or (2) NEW_PASSWORD_2 parameter to cgi-bin/chpasswd.cgi.

How urgent is CVE-2015-5082?

Priority 65/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference

References

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