CVE-2013-3563: Stack-based buffer overflow in db_netserver in Lianja SQL Server before 1.0.0RC5.2 allows remote attackers to

Q: How do I fix CVE-2013-3563?

lianja sql server: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Q: Is CVE-2013-3563 being exploited?

CVE-2013-3563 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-2013-3563 affect?

CVE-2013-3563 affects lianja sql server. Severity is high (CVSS 7.5). Stack-based buffer overflow in db_netserver in Lianja SQL Server before 1.0.0RC5.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted string to TCP port 8001.

Q: How urgent is CVE-2013-3563?

Priority 56/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2013-3563 is a high-severity flaw (CVSS 7.5) affecting lianja sql server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in db_netserver in Lianja SQL Server before 1.0.0RC5.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted string to TCP port 8001.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	49.5% (top 1%)
CISA exploited list	No
Weakness	CWE-119
Published	2013-07-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lianja

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

Am I affected?

Timeline

2013-07-04 14:33 UTCPublished CVE record published
2026-06-16 23:55 UTCUpdated Record last modified

lianja lianja sql server UPGRADE

Affected: <= 1.0

Fixed in: newer than 1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lianja-sql-server || rpm -q lianja-sql-server || lianja-sql-server --version

2. UPGRADE to newer than 1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lianja-sql-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lianja-sql-server

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: Lianja SQL 1.0.0RC5.1 - db_netserver Stack Buffer Overflow (Metasploit)
Metasploit: Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow

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-2013-3563?

lianja sql server: upgrade to newer than 1.0. Exact commands for each OS are on this page.

Is CVE-2013-3563 being exploited?

CVE-2013-3563 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-2013-3563 affect?

CVE-2013-3563 affects lianja sql server. Severity is high (CVSS 7.5). Stack-based buffer overflow in db_netserver in Lianja SQL Server before 1.0.0RC5.2 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a crafted string to TCP port 8001.

How urgent is CVE-2013-3563?

Priority 56/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference

Software pages

Microsoft SQL Server vulnerabilities

References

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