CVE-2020-27183: A RemoteFunctions endpoint with missing access control in konzept-ix publiXone before 2020.015 allows attacker

Q: How do I fix CVE-2020-27183?

publixone: upgrade to 2020.015. Exact commands for each OS are on this page.

Q: Is CVE-2020-27183 being exploited?

CVE-2020-27183 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-2020-27183 affect?

CVE-2020-27183 affects publixone. Severity is critical (CVSS 9.8). A RemoteFunctions endpoint with missing access control in konzept-ix publiXone before 2020.015 allows attackers to disclose sensitive user information, send arbitrary e-mails, escalate the privileges of arbitrary user accounts, and have uns

Q: How urgent is CVE-2020-27183?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2020-27183 is a critical-severity flaw (CVSS 9.8) affecting publixone. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A RemoteFunctions endpoint with missing access control in konzept-ix publiXone before 2020.015 allows attackers to disclose sensitive user information, send arbitrary e-mails, escalate the privileges of arbitrary user accounts, and have unspecified other impact.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2020-10-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: konzept-ix

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

Am I affected?

Timeline

2020-10-27 05:15 UTCPublished CVE record published
2026-06-17 03:08 UTCUpdated Record last modified

konzept-ix publixone UPGRADE

Affected: < 2020.015

Fixed in: 2020.015

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2020.015 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade publixone

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-2020-27183?

publixone: upgrade to 2020.015. Exact commands for each OS are on this page.

Is CVE-2020-27183 being exploited?

CVE-2020-27183 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-2020-27183 affect?

CVE-2020-27183 affects publixone. Severity is critical (CVSS 9.8). A RemoteFunctions endpoint with missing access control in konzept-ix publiXone before 2020.015 allows attackers to disclose sensitive user information, send arbitrary e-mails, escalate the privileges of arbitrary user accounts, and have uns

How urgent is CVE-2020-27183?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

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CVE-2020-27180 HIGH 7.5 UPGRADE konzept-ix publiXone before 2020.015 allows attackers to download files by iterating over the IXCopy fileID pa
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References

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