CVE-2021-28142: CITSmart before 9.1.2.28 mishandles the "filtro de autocomplete."

Q: How do I fix CVE-2021-28142?

citsmart: upgrade to 9.1.2.28. Exact commands for each OS are on this page.

Q: Is CVE-2021-28142 being exploited?

CVE-2021-28142 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-2021-28142 affect?

CVE-2021-28142 affects citsmart. Severity is high (CVSS 8.8). CITSmart before 9.1.2.28 mishandles the "filtro de autocomplete."

Q: How urgent is CVE-2021-28142?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2021-28142 is a high-severity flaw (CVSS 8.8) affecting citsmart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CITSmart before 9.1.2.28 mishandles the "filtro de autocomplete."

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-04-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: citsmart

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-06 15:15 UTCPublished CVE record published
2026-06-17 03:45 UTCUpdated Record last modified

citsmart citsmart UPGRADE

Affected: < 9.1.2.28

Fixed in: 9.1.2.28

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy citsmart || rpm -q citsmart || citsmart --version

2. UPGRADE to 9.1.2.28 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade citsmart

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade citsmart

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: CITSmart ITSM 9.1.2.27 - 'query' Time-based Blind SQL Injection (Authenticated)

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-2021-28142?

citsmart: upgrade to 9.1.2.28. Exact commands for each OS are on this page.

Is CVE-2021-28142 being exploited?

CVE-2021-28142 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-2021-28142 affect?

CVE-2021-28142 affects citsmart. Severity is high (CVSS 8.8). CITSmart before 9.1.2.28 mishandles the "filtro de autocomplete."

How urgent is CVE-2021-28142?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2020-35775 CRITICAL 9.8 UPGRADE CITSmart before 9.1.2.23 allows LDAP Injection.

References

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