CVE-2019-20220: In Support Incident Tracker (SiT!) 3.67, the search_id parameter in the search_incidents_advanced.php page is

Routine

MEDIUM 6.1DOWNGRADE

CVE-2019-20220 is a medium-severity flaw (CVSS 6.1) affecting support incident tracker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Support Incident Tracker (SiT!) 3.67, the search_id parameter in the search_incidents_advanced.php page is affected by XSS.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-01-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sitracker

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

Am I affected?

Timeline

2020-01-02 14:16 UTCPublished CVE record published
2026-06-17 02:30 UTCUpdated Record last modified

sitracker support incident tracker DOWNGRADE

Affected: 3.67

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.67

1. Check installed version

apt-cache policy support-incident-tracker || rpm -q support-incident-tracker || support-incident-tracker --version

2. No fixed release: DOWNGRADE to a release before 3.67 (Debian / Ubuntu)

apt-cache madison support-incident-tracker sudo apt install support-incident-tracker=<VERSION_BEFORE_3.67> sudo apt-mark hold support-incident-tracker

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list support-incident-tracker sudo dnf downgrade support-incident-tracker-<VERSION_BEFORE_3.67> sudo dnf versionlock add support-incident-tracker

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2019-20220?

support incident tracker: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-20220 being exploited?

CVE-2019-20220 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-2019-20220 affect?

CVE-2019-20220 affects support incident tracker. Severity is medium (CVSS 6.1). In Support Incident Tracker (SiT!) 3.67, the search_id parameter in the search_incidents_advanced.php page is affected by XSS.

How urgent is CVE-2019-20220?

Priority 39/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2020-15308 HIGH 7.2 DOWNGRADE Support Incident Tracker (aka SiT! or SiTracker) 3.67 p2 allows post-authentication SQL injection via the site
CVE-2019-20223 MEDIUM 6.1 DOWNGRADE In Support Incident Tracker (SiT!) 3.67, the id parameter is affected by XSS on all endpoints that use this pa
CVE-2019-20222 MEDIUM 6.1 DOWNGRADE In Support Incident Tracker (SiT!) 3.67, the Short Application Name and Application Name inputs in the config.
CVE-2019-20221 MEDIUM 6.1 DOWNGRADE In Support Incident Tracker (SiT!) 3.67, Load Plugins input in the config.php page is affected by XSS

References

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