Improper input validation in Apache Traffic Control
CVE-2021-42009
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.028 (86.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Apache Traffic Control
- Apache Software Foundation Traffic Control — versions 4.0.0
Weakness classification (CWE)
References
- lists.apache.org/thread.html/re384fd0f44c6d230f31376153c6e8b59e4a669f927c1533d0… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/rf0481b9e38ece1ece458d3ce7b2d671df819e3555597f31fc… (Patch, Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2021/10/12/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r78d471d8a4fd268a4c5ae6c47327c09d9d4b4467c31da2c97… (mailing-list)
- lists.apache.org/thread.html/r7dfa9a89b39d06caeeeb7b5cdc41b3493a9b86cc6cfa059d3… (mailing-list)
Frequently asked questions
- What is CVE-2021-42009?
- CVE-2021-42009 is a medium-severity vulnerability in Apache Traffic Control, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2021-10-12.
- How severe is CVE-2021-42009?
- Medium severity. CVSS v3 base score is 4.3 out of 10.