Vulnerability DatabaseCVE-2021-42009
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CVE-2021-42009
Published:October 12, 2021
Updated:May 17, 2026
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 to send an email, from the Traffic Ops server, with an arbitrary body to an arbitrary email address. Apache Traffic Control 5.1.x users should upgrade to 5.1.3 or 6.0.0. 4.1.x users should upgrade to 5.1.3.
Related Resources (10)
https://nvd.nist.gov/vuln/detail/CVE-2021-42009
https://lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3f349d87@%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/re384fd0f44c6d230f31376153c6e8b59e4a669f927c1533d06d702af%40%3Cdev.trafficcontrol.apache.org%3E
https://lists.apache.org/thread.html/rf0481b9e38ece1ece458d3ce7b2d671df819e3555597f31fc34f084e%40%3Ccommits.trafficcontrol.apache.org%3E
https://lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97422febb%40%3Cdev.trafficcontrol.apache.org%3E
https://github.com/apache/trafficcontrol
https://lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97422febb@%3Cdev.trafficcontrol.apache.org%3E
https://github.com/advisories/GHSA-gw97-f6h8-gm94
https://lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3f349d87%40%3Cannounce.apache.org%3E
http://www.openwall.com/lists/oss-security/2021/10/12/1
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
4
Access Vector
NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Weakness Type (CWE)
Improper Input Validation
CWE-20
EPSS
Base Score:
0.66