Apache Traffic Control vulnerabilities

8 CVEs affecting Apache Traffic Control, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-61581, published 2025-10-16.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2024-45387, published 2024-12-23. High severity, CVSS 8.8. EPSS: 42.2% chance of exploitation in the next 30 days. An SQL injection vulnerability in Traffic Ops in Apache Traffic Control <= 8.0.1, >= 8.0.0 allows a privileged user with role "admin", "federation", "operations", "portal", or "steering" to execute…
CVE-2021-43350, published 2021-11-11. Critical severity, CVSS 9.8. EPSS: 4.8% chance of exploitation in the next 30 days. An unauthenticated Apache Traffic Control Traffic Ops user can send a request with a specially-crafted username to the POST /login endpoint of any API version to inject unsanitized content into the…
CVE-2017-7670, published 2017-07-10. High severity, CVSS 7.5. EPSS: 4.7% chance of exploitation in the next 30 days. The Traffic Router component of the incubating Apache Traffic Control project is vulnerable to a Slowloris style Denial of Service attack. TCP connections made on the configured DNS port will remain…
CVE-2020-17522, published 2021-01-26. Medium severity, CVSS 5.8. EPSS: 3.9% chance of exploitation in the next 30 days. When ORT (now via atstccfg) generates ip_allow.config files in Apache Traffic Control 3.0.0 to 3.1.0 and 4.0.0 to 4.1.0, those files include permissions that allow bad actors to push arbitrary…
CVE-2019-12405, published 2019-09-09. Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days. Improper authentication is possible in Apache Traffic Control versions 3.0.0 and 3.0.1 if LDAP is enabled for login in the Traffic Ops API component. Given a username for a user that can be…
CVE-2021-42009, published 2021-10-12. Medium severity, CVSS 4.3. EPSS: 2.8% chance of exploitation in the next 30 days. An authenticated Apache Traffic Control Traffic Ops user with Portal-level privileges can send a request with a specially-crafted email subject to the /deliveryservices/request Traffic Ops endpoint…
CVE-2022-23206, published 2022-02-06. High severity, CVSS 7.5. EPSS: 2% chance of exploitation in the next 30 days. In Apache Traffic Control Traffic Ops prior to 6.1.0 or 5.1.6, an unprivileged user who can reach Traffic Ops over HTTPS can send a specially-crafted POST request to /user/login/oauth to scan a port…
CVE-2025-61581, published 2025-10-16. High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days. ** UNSUPPORTED WHEN ASSIGNED ** Inefficient Regular Expression Complexity vulnerability in Apache Traffic Control. This issue affects Apache Traffic Control: all versions. People with access to the…