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Vulnerability record · CVE-2017-7509 · published 26 July 2018

CVE-2017-7509: Redhat certificate system improper input validation vulnerability

Redhat · Certificate System

An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.

6.5 CVSS 3.0 Medium EPSS 0.73% · top 47.5% CWE-20 · Improper input validation
6.5CVSS 3.0 base score, v2 4.0
0.73%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

An input validation error was found in Red Hat Certificate System's handling of client provided certificates before 8.1.20-1. If the certreq field is not present in a certificate an assertion error is triggered causing a denial of service.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

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

References

LinkTags
http://www.securitytracker.com/id/1039248 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:2560 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509 Issue TrackingVendor Advisory
http://www.securitytracker.com/id/1039248 Third Party AdvisoryVDB Entry
https://access.redhat.com/errata/RHSA-2017:2560 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7509 Issue TrackingVendor Advisory

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Related vulnerabilities

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

8.1CVE-2021-20179Dogtagpki incorrect authorization vulnerabilityA flaw was found in pki-core. An attacker who has successfully compromised a key could use this flaw to renew the corresponding certificate over and …EPSS 1.2%7.5CVE-2013-1886Redhat certificate system vulnerabilityFormat string vulnerability in the token processing system (pki-tps) in Red Hat Certificate System (RHCS) 8.1 and possibly Dogtag Certificate System …EPSS 2.2%6.5CVE-2009-0588Redhat certificate system vulnerabilityagent/request/op.cgi in the Registration Authority (RA) component in Red Hat Certificate System (RHCS) 7.3 and Dogtag Certificate System allows remot…EPSS 1.3%6.0CVE-2008-5082Redhat dogtag certificate system improper authentication vulnerabilityThe verifyProof function in the Token Processing System (TPS) component in Red Hat Certificate System (RHCS) 7.1 through 7.3 and Dogtag Certificate S…EPSS 0.78%5.8CVE-2010-3868Redhat certificate system improper authentication vulnerabilityRed Hat Certificate System (RHCS) 7.3 and 8 and Dogtag Certificate System do not require authentication for requests to decrypt SCEP one-time PINs, w…EPSS 1.3%5.7CVE-2022-2393Pki-core project pki-core improper authorization vulnerabilityA flaw was found in pki-core, which could allow a user to get a certificate for another user identity when directory-based authentication is enabled.…EPSS 0.25%5.5CVE-2012-3367Redhat certificate system vulnerabilityRed Hat Certificate System (RHCS) before 8.1.1 and Dogtag Certificate System does not properly check certificate revocation requests made through the…EPSS 1.2%5.4CVE-2020-1696Redhat certificate system cross-site scripting vulnerabilityA flaw was found in the all pki-core 10.x.x versions, where Token Processing Service (TPS) where it did not properly sanitize Profile IDs, enabling a…EPSS 0.76%

Source: NIST National Vulnerability Database (record CVE-2017-7509), CISA KEV, FIRST EPSS (scores of 2026-10-02). This page is refreshed as NVD updates the record.