CVE-2021-28022
CVSS v3
7.5
HIGH
EPSS Score
1.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
Blind SQL injection in the login form in ServiceTonic Helpdesk software < 9.0.35937 allows attacker to exfiltrate information via specially crafted HQL-compatible time-based SQL queries.
Technical details
- Published
- 2021-11-08
Frequently asked questions
What is CVE-2021-28022?
Blind SQL injection in the login form in ServiceTonic Helpdesk software < 9.0.35937 allows attacker to exfiltrate information via specially crafted HQL-compatible time-based SQL queries.
Is CVE-2021-28022 actively exploited?
Active exploitation of CVE-2021-28022 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-28022?
CVE-2021-28022 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-28022 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2021 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).