CVE-2018-17169: An XML external entity (XXE) vulnerability in PrinterOn version 4.1.4 and lower allows remote authenticated us

Q: How do I fix CVE-2018-17169?

printeron: upgrade to newer than 4.1.4. Exact commands for each OS are on this page.

Q: Is CVE-2018-17169 being exploited?

CVE-2018-17169 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-2018-17169 affect?

CVE-2018-17169 affects printeron. Severity is high (CVSS 7.7). An XML external entity (XXE) vulnerability in PrinterOn version 4.1.4 and lower allows remote authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

Q: How urgent is CVE-2018-17169?

Priority 51/100. High severity; Public exploit reference

This month

HIGH 7.7UPGRADE

CVE-2018-17169 is a high-severity flaw (CVSS 7.7) affecting printeron. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An XML external entity (XXE) vulnerability in PrinterOn version 4.1.4 and lower allows remote authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Weakness	CWE-611
Published	2019-04-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: printeron

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

Am I affected?

Timeline

2019-04-23 14:29 UTCPublished CVE record published
2026-06-17 01:45 UTCUpdated Record last modified

printeron printeron UPGRADE

Affected: <= 4.1.4

Fixed in: newer than 4.1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.1.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade printeron

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2018-17169?

printeron: upgrade to newer than 4.1.4. Exact commands for each OS are on this page.

Is CVE-2018-17169 being exploited?

CVE-2018-17169 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-2018-17169 affect?

CVE-2018-17169 affects printeron. Severity is high (CVSS 7.7). An XML external entity (XXE) vulnerability in PrinterOn version 4.1.4 and lower allows remote authenticated users to read arbitrary files or conduct server-side request forgery (SSRF) attacks via a crafted DTD in an XML request.

How urgent is CVE-2018-17169?

Priority 51/100. High severity; Public exploit reference

Related CVEs

CVE-2018-19936 MEDIUM 6.5 DOWNGRADE PrinterOn Enterprise 4.1.4 allows Arbitrary File Deletion.
CVE-2018-17168 MEDIUM 6.5 DOWNGRADE PrinterOn Enterprise 4.1.4 contains multiple Cross Site Request Forgery (CSRF) vulnerabilities in the Administ
CVE-2018-17167 MEDIUM 5.4 DOWNGRADE PrinterOn Enterprise 4.1.4 suffers from multiple authenticated stored XSS vulnerabilities via the (1) "Machine
CVE-2018-10327 HIGH 7.0 DOWNGRADE PrinterOn Enterprise 4.1.3 stores the Active Directory bind credentials using base64 encoding, which allows lo
CVE-2018-10326 MEDIUM 5.4 DOWNGRADE PrinterOn Enterprise 4.1.3 suffers from multiple authenticated stored XSS vulnerabilities via the (1) departme

References

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