CVE-2017-11509

Name: CVE-2017-11509
Creator: NVD / NIST
Published: 2018-03-28T17:29:00.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 6.22%

Last modified Jun 17, 2026

CVE-2017-11509 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An authenticated remote attacker can execute arbitrary code in Firebird SQL Server versions 2.5.7 and 3.0.2 by executing a malformed SQL statement.. EPSS estimates a 6.22% chance of exploitation in the next 30 days.

Description

An authenticated remote attacker can execute arbitrary code in Firebird SQL Server versions 2.5.7 and 3.0.2 by executing a malformed SQL statement.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

6.22%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Firebirdsql	Firebird	2.5.7
Firebirdsql	Firebird	3.0.2
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0

References

https://lists.debian.org/debian-lts-announce/2018/05/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00018.htmlMailing List, Third Party Advisory
https://www.tenable.com/security/research/tra-2017-36Exploit, Mitigation, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/02/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00018.htmlMailing List, Third Party Advisory
https://www.tenable.com/security/research/tra-2017-36Exploit, Mitigation, Third Party Advisory

Timeline

Published: Mar 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11509?

An authenticated remote attacker can execute arbitrary code in Firebird SQL Server versions 2.5.7 and 3.0.2 by executing a malformed SQL statement.

How severe is CVE-2017-11509?

CVE-2017-11509 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 6.22% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11509?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11509?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST