← Vulnerability feed

Vulnerability record · CVE-2020-12645 · published 31 August 2020

CVE-2020-12645: Open-xchange appsuite improper restriction of authentication attempts vulnerability

Open Xchange · Open Xchange Appsuite

OX App Suite 7.10.1 to 7.10.3 has improper input validation for rate limits with a crafted User-Agent header, spoofed vacation notices, and /apps/load memory consumption.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 36.4% CWE-307 · Improper restriction of authentication attempts
9.8CVSS 3.1 base score, v2 5.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

OX App Suite 7.10.1 to 7.10.3 has improper input validation for rate limits with a crafted User-Agent header, spoofed vacation notices, and /apps/load memory consumption.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://seclists.org/fulldisclosure/2020/Aug/14 Mailing ListThird Party Advisory
https://www.open-xchange.com/ Vendor Advisory
https://seclists.org/fulldisclosure/2020/Aug/14 Mailing ListThird Party Advisory
https://www.open-xchange.com/ Vendor Advisory

Track CVE-2020-12645 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.9CVE-2017-13667Open-xchange appsuite server-side request forgery (ssrf) vulnerabilityOX Software GmbH OX App Suite 7.8.4 and earlier is affected by: SSRF.EPSS 0.89%9.8CVE-2019-7158Open-xchange appsuite vulnerabilityOX App Suite 7.10.0 and earlier has Incorrect Access Control.EPSS 1.5%9.8CVE-2017-17060Open-xchange appsuite vulnerabilityOX Software GmbH OX App Suite 7.8.4 and earlier is affected by: Insecure Permissions.EPSS 1.2%9.8CVE-2017-5210Open-xchange appsuite information exposure vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Information Exposure.EPSS 1.4%9.8CVE-2017-5212Open-xchange appsuite improper access control vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 is affected by: Incorrect Access Control.EPSS 1.4%9.8CVE-2017-5863Open-xchange appsuite improper access control vulnerabilityOpen-Xchange GmbH OX App Suite 7.8.3 and earlier is affected by: Incorrect Access Control.EPSS 1.4%8.8CVE-2023-26452Open-xchange appsuite sql injection vulnerabilityRequests to cache an image and return its metadata could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerabi…EPSS 0.37%8.8CVE-2023-26453Open-xchange appsuite sql injection vulnerabilityRequests to cache an image could be abused to include SQL queries that would be executed unchecked. Exploiting this vulnerability requires at least a…EPSS 0.37%

Source: NIST National Vulnerability Database (record CVE-2020-12645), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.