CVE-2009-1618: Teraway LiveHelp 2.0 allows remote attackers to bypass authentication and gain administrative access via a pwd

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HIGH 7.5DOWNGRADE

CVE-2009-1618 is a high-severity flaw (CVSS 7.5) affecting livehelp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Teraway LiveHelp 2.0 allows remote attackers to bypass authentication and gain administrative access via a pwd=&lvl=1&usr=&alias=admin&userid=1 value for the TWLHadmin cookie.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-287
Published	2009-05-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: teraway

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

Am I affected?

Timeline

2009-05-12 16:30 UTCPublished CVE record published
2026-06-16 23:07 UTCUpdated Record last modified

teraway livehelp DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison livehelp sudo apt install livehelp=<VERSION_BEFORE_2.0> sudo apt-mark hold livehelp

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

dnf --showduplicates list livehelp sudo dnf downgrade livehelp-<VERSION_BEFORE_2.0> sudo dnf versionlock add livehelp

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: Teraway LiveHelp 2.0 - Insecure Cookie Handling

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-2009-1618?

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

Is CVE-2009-1618 being exploited?

CVE-2009-1618 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-2009-1618 affect?

CVE-2009-1618 affects livehelp. Severity is high (CVSS 7.5). Teraway LiveHelp 2.0 allows remote attackers to bypass authentication and gain administrative access via a pwd=&lvl=1&usr=&alias=admin&userid=1 value for the TWLHadmin cookie.

How urgent is CVE-2009-1618?

Priority 52/100. High severity; Public exploit reference

References

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