How severe is CVE-2020-27183?

CVE-2020-27183 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-27183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27183?

CVE-2020-27183 affects Konzept-ix Publixone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-27183 published?

CVE-2020-27183 was published on 2020-10-27 and last updated on 2026-06-17.

CVE-2020-27183

CVE-2020-27183 is a critical-severity vulnerability in Konzept-ix Publixone with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Konzept-ix Publixone
Published: 2020-10-27
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-27183?: 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.
How severe is CVE-2020-27183?: CVE-2020-27183 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-27183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27183?: CVE-2020-27183 affects Konzept-ix Publixone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-27183 published?: CVE-2020-27183 was published on 2020-10-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:konzept-ix:publixone:*:*:*:*:*:*:*:*

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