CVE-2019-5893: Nelson Open Source ERP v6.3.1 allows SQL Injection via the db/utils/query/data.xml query parameter.

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2019-5893 is a critical-severity flaw (CVSS 9.8) affecting open source erp. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nelson Open Source ERP v6.3.1 allows SQL Injection via the db/utils/query/data.xml query parameter.

Why this priority

Critical severity
EPSS top 2%: 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	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	24.7% (top 2%)
CISA exploited list	No
Weakness	CWE-89
Published	2019-01-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nelson-it

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

Am I affected?

Timeline

2019-01-10 17:29 UTCPublished CVE record published
2026-06-17 02:38 UTCUpdated Record last modified

nelson-it open source erp DOWNGRADE

Affected: 6.3.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.3.1

1. Check installed version

apt-cache policy open-source-erp || rpm -q open-source-erp || open-source-erp --version

2. No fixed release: DOWNGRADE to a release before 6.3.1 (Debian / Ubuntu)

apt-cache madison open-source-erp sudo apt install open-source-erp=<VERSION_BEFORE_6.3.1> sudo apt-mark hold open-source-erp

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

dnf --showduplicates list open-source-erp sudo dnf downgrade open-source-erp-<VERSION_BEFORE_6.3.1> sudo dnf versionlock add open-source-erp

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: OpenSource ERP 6.3.1. - SQL Injection

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-2019-5893?

open source erp: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-5893 being exploited?

CVE-2019-5893 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-2019-5893 affect?

CVE-2019-5893 affects open source erp. Severity is critical (CVSS 9.8). Nelson Open Source ERP v6.3.1 allows SQL Injection via the db/utils/query/data.xml query parameter.

How urgent is CVE-2019-5893?

Priority 69/100. Critical severity; EPSS top 2%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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