CVE-2021-45811

Name: CVE-2021-45811
Creator: NVD / NIST
Published: 2023-09-08T02:15:07.877+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.81%

Last modified Jun 17, 2026

CVE-2021-45811 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket 1.15.x allows authenticated attackers to execute arbitrary SQL commands via the "keywords" and "topic_id" URL parameters combination.. EPSS estimates a 2.81% chance of exploitation in the next 30 days.

Description

A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket 1.15.x allows authenticated attackers to execute arbitrary SQL commands via the "keywords" and "topic_id" URL parameters combination.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.81%

84.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Enhancesoft	Osticket	>= 1.15, <= 1.15.8

References

http://enhancesoft.comProduct
http://osticket.comProduct
https://members.backbox.org/osticket-sql-injection/Exploit, Third Party Advisory
http://enhancesoft.comProduct
http://osticket.comProduct
https://members.backbox.org/osticket-sql-injection/Exploit, Third Party Advisory

Timeline

Published: Sep 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45811?

How severe is CVE-2021-45811?

CVE-2021-45811 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.81% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45811?

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-2021-45811?

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

Scan your code now

Source: NVD / NIST