CVE-2020-12643

Name: CVE-2020-12643
Creator: NVD / NIST
Published: 2020-08-31T15:15:10.133+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2020-12643 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. OX App Suite 7.10.3 and earlier has Incorrect Access Control via an /api/subscriptions request for a snippet containing an email address.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

OX App Suite 7.10.3 and earlier has Incorrect Access Control via an /api/subscriptions request for a snippet containing an email address.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.62%

45.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Open-Xchange	Open-Xchange Appsuite	<= 7.10.3

References

http://seclists.org/fulldisclosure/2020/Aug/14Mailing List, Third Party Advisory
https://www.open-xchange.com/Vendor Advisory
http://seclists.org/fulldisclosure/2020/Aug/14Mailing List, Third Party Advisory
https://www.open-xchange.com/Vendor Advisory

Timeline

Published: Aug 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12643?

OX App Suite 7.10.3 and earlier has Incorrect Access Control via an /api/subscriptions request for a snippet containing an email address.

How severe is CVE-2020-12643?

CVE-2020-12643 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12643?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-12643?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST