CVE-2013-6225: LiveZilla 5.0.1.4 has a Remote Code Execution vulnerability

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2013-6225 is a critical-severity flaw (CVSS 9.8) affecting livezilla. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LiveZilla 5.0.1.4 has a Remote Code Execution vulnerability

Why this priority

Critical severity
EPSS top 2%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	26.6% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2020-01-13
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: livezilla

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

Am I affected?

Timeline

2020-01-13 14:15 UTCPublished CVE record published
2026-06-17 00:00 UTCUpdated Record last modified

livezilla livezilla DOWNGRADE

Affected: 5.0.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.1.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0.1.4 (Debian / Ubuntu)

apt-cache madison livezilla sudo apt install livezilla=<VERSION_BEFORE_5.0.1.4> sudo apt-mark hold livezilla

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

dnf --showduplicates list livezilla sudo dnf downgrade livezilla-<VERSION_BEFORE_5.0.1.4> sudo dnf versionlock add livezilla

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: LiveZilla 5.0.1.4 - Remote Code Execution

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-2013-6225?

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

Is CVE-2013-6225 being exploited?

CVE-2013-6225 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-2013-6225 affect?

CVE-2013-6225 affects livezilla. Severity is critical (CVSS 9.8). LiveZilla 5.0.1.4 has a Remote Code Execution vulnerability

How urgent is CVE-2013-6225?

Priority 69/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-9758 CRITICAL 9.6 UPGRADE An issue was discovered in chat.php in LiveZilla Live Chat 8.0.1.3 (Helpdesk)
CVE-2019-12964 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in the ticket.php Subject.
CVE-2019-12963 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in the chat.php Create Ticket Action.
CVE-2019-12962 MEDIUM 6.1 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to XSS in mobile/index.php via the Accept-Language HTTP header.
CVE-2019-12961 HIGH 8.8 UPGRADE LiveZilla Server before 8.0.1.1 is vulnerable to CSV Injection in the Export Function.

References

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