# CVE-2020-17522: Cache Manipulation Attack in Apache Traffic Control

Source: https://junglewise.ai/threats/cve-2020-17522-cache-manipulation-attack-in-apache-traffic-control  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-06-18  
License: CC BY 4.0 with a link back

CVE-2020-17522 · Severity: low · CVSS 3.1 · Published 2021-06-18

Cache Manipulation Attack in Apache Traffic Control

Technologies: [github.com/apache/trafficcontrol (Go)](https://junglewise.ai/threats/technologies/github-com-apache-trafficcontrol). Vendors: [Go](https://junglewise.ai/threats/vendors/go).

## Quick answers

**Is CVE-2020-17522 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-17522 being exploited in the wild.

**How severe is CVE-2020-17522?** Low severity, with a CVSS score of 3.1, published 18 June 2021.

**Which products and versions are affected?** github.com/apache/trafficcontrol (Go) SEMVER:introduced=0,fixed=5.0.0.

**Is there a fix for CVE-2020-17522?** Yes. github.com/apache/trafficcontrol (Go): upgrade to 5.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-17522?** Check whether you run github.com/apache/trafficcontrol (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- github.com/apache/trafficcontrol (Go): upgrade to 5.0.0 or later

  ```sh
  go get github.com/apache/trafficcontrol@v5.0.0
  ```


## Affected products

- github.com/apache/trafficcontrol (Go) SEMVER:introduced=0,fixed=5.0.0

## Identifiers

- CVE-2020-17522
- GHSA-pw59-4qgf-jxr8

## Related threats

- [Apache Traffic Control has an Inefficient Regular Expression Complexity vulnerability](https://junglewise.ai/threats/cve-2025-61581-apache-traffic-control-has-an-inefficient-regular-expression)
- [GO-2024-3358 - SQL injection in Apache Traffic Control in github.com/apache/trafficcontrol](https://junglewise.ai/threats/cve-2024-45387-sql-injection-in-apache-traffic-control)
- [GO-2022-0585 - Server-Side Request Forgery in Apache Traffic Control in github.com/apache/trafficcontrol](https://junglewise.ai/threats/cve-2022-23206-server-side-request-forgery-in-apache-traffic-control)
- [GO-2022-0602 - Email relay in Apache Traffic Control in github.com/apache/trafficcontrol](https://junglewise.ai/threats/cve-2021-42009-email-relay-in-apache-traffic-control)
- [GO-2024-2776 - Apache Traffic Control Traffic Ops Vulnerable to LDAP Injection in github.com/apache/trafficcontrol](https://junglewise.ai/threats/cve-2021-43350-apache-traffic-control-traffic-ops-vulnerable-to-ldap-injection)