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CVE-2021-45811

33
FAUCET Score

CVE-2021-45811 describes a SQL injection vulnerability in the "Search" functionality of the "tickets.php" page within osTicket version 1.15.x. This flaw allows authenticated attackers to execute arbitrary SQL commands by manipulating the "keywords" and "topic_id" URL parameters. Rated with a CVSS score of 6.5 (Medium), the vulnerability has a low attack complexity and requires authentication, but could lead to high confidentiality impact. While there is no evidence of active exploitation, a Nuclei template exists for detection, and there is no Metasploit module or public exploit code available on ExploitDB. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.15, <= 1.15.8CPE matchmatch criteria
cpe:2.3:a:enhancesoft:osticket:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.45%
Probability of exploitation in next 30 days
EPSS Percentile
82.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-45811 · Oct 10, 2024
This CVE's current EPSS score of 0.0245 is in the 93rd percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

members.backbox.org / osticket-sql-injection
ExploitThird Party Advisory