CVE-2008-6992: GreenSQL Firewall (greensql-fw), possibly before 0.9.2 or 0.9.4, allows remote attackers to bypass the SQL inj

Q: How do I fix CVE-2008-6992?

greensql firewall: upgrade to newer than 0.8.3. Exact commands for each OS are on this page.

Q: Is CVE-2008-6992 being exploited?

CVE-2008-6992 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-2008-6992 affect?

CVE-2008-6992 affects greensql firewall. Severity is high (CVSS 7.5). GreenSQL Firewall (greensql-fw), possibly before 0.9.2 or 0.9.4, allows remote attackers to bypass the SQL injection protection mechanism via a WHERE clause containing an expression such as "x=y=z", which is successfully parsed by MySQL.

Q: How urgent is CVE-2008-6992?

Priority 49/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2008-6992 is a high-severity flaw (CVSS 7.5) affecting greensql firewall. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GreenSQL Firewall (greensql-fw), possibly before 0.9.2 or 0.9.4, allows remote attackers to bypass the SQL injection protection mechanism via a WHERE clause containing an expression such as "x=y=z", which is successfully parsed by MySQL.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-89
Published	2009-08-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: greensql

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

Am I affected?

Timeline

2009-08-19 05:24 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

greensql greensql firewall UPGRADE

Affected: <= 0.8.3 · 0.3.4 · 0.3.5 · 0.8.2

Fixed in: newer than 0.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 0.8.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade greensql-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: GreenSQL Firewall 0.9.x - WHERE Clause Security Bypass

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-2008-6992?

greensql firewall: upgrade to newer than 0.8.3. Exact commands for each OS are on this page.

Is CVE-2008-6992 being exploited?

CVE-2008-6992 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-2008-6992 affect?

CVE-2008-6992 affects greensql firewall. Severity is high (CVSS 7.5). GreenSQL Firewall (greensql-fw), possibly before 0.9.2 or 0.9.4, allows remote attackers to bypass the SQL injection protection mechanism via a WHERE clause containing an expression such as "x=y=z", which is successfully parsed by MySQL.

How urgent is CVE-2008-6992?

Priority 49/100. High severity; Public exploit reference

Software pages

MySQL vulnerabilities

Related CVEs

CVE-2008-7229 HIGH 7.5 DOWNGRADE GreenSQL Firewall (greensql-fw) before 0.9.2 allows remote attackers to bypass SQL injection protection via a

References

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