CVE-2019-17503: An issue was discovered in Kirona Dynamic Resource Scheduling (DRS) 5.5.3.5

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2019-17503 is a medium-severity flaw (CVSS 5.3) affecting dynamic resource scheduling. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Kirona Dynamic Resource Scheduling (DRS) 5.5.3.5. An unauthenticated user can access /osm/REGISTER.cmd (aka /osm_tiles/REGISTER.cmd) directly: it contains sensitive information about the database through the SQL queries within this batch file. This file exposes SQL database information such as database version, table name, column name, etc.

Why this priority

EPSS top 1%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	48.3% (top 1%)
CISA exploited list	No
Weakness	CWE-425
Published	2019-10-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kirona

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

Am I affected?

Timeline

2019-10-11 17:15 UTCPublished CVE record published
2026-06-17 02:24 UTCUpdated Record last modified

kirona dynamic resource scheduling DOWNGRADE

Affected: 5.5.3.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.3.5

1. Check installed version

apt-cache policy dynamic-resource-scheduling || rpm -q dynamic-resource-scheduling || dynamic-resource-scheduling --version

2. No fixed release: DOWNGRADE to a release before 5.5.3.5 (Debian / Ubuntu)

apt-cache madison dynamic-resource-scheduling sudo apt install dynamic-resource-scheduling=<VERSION_BEFORE_5.5.3.5> sudo apt-mark hold dynamic-resource-scheduling

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

dnf --showduplicates list dynamic-resource-scheduling sudo dnf downgrade dynamic-resource-scheduling-<VERSION_BEFORE_5.5.3.5> sudo dnf versionlock add dynamic-resource-scheduling

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.

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: Kirona-DRS 5.5.3.5 - Information Disclosure
Nuclei scan template: Kirona Dynamic Resource Scheduler - Information Disclosure

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-2019-17503?

dynamic resource scheduling: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-17503 being exploited?

CVE-2019-17503 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-2019-17503 affect?

CVE-2019-17503 affects dynamic resource scheduling. Severity is medium (CVSS 5.3). An issue was discovered in Kirona Dynamic Resource Scheduling (DRS) 5.5.3.5. An unauthenticated user can access /osm/REGISTER.cmd (aka /osm_tiles/REGISTER.cmd) directly: it contains sensitive information about the database through the SQL q

How urgent is CVE-2019-17503?

Priority 53/100. EPSS top 1%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-17504 MEDIUM 6.1 DOWNGRADE An issue was discovered in Kirona Dynamic Resource Scheduling (DRS) 5.5.3.5

References

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