# CVE-2020-15111: GO-2021-0108 - CRLF vulnerability in Fiber in github.com/gofiber/fiber

Source: https://junglewise.ai/threats/cve-2020-15111-crlf-vulnerability-in-fiber  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-07-28  
License: CC BY 4.0 with a link back

CVE-2020-15111 · Severity: low · CVSS 3.1 · Published 2021-07-28

CRLF vulnerability in Fiber in github.com/gofiber/fiber

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

## Quick answers

**Is CVE-2020-15111 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-15111 being exploited in the wild.

**How severe is CVE-2020-15111?** Low severity, with a CVSS score of 3.1, published 28 July 2021.

**Which products and versions are affected?** github.com/gofiber/fiber (Go) SEMVER:introduced=0,fixed=1.12.6.

**Is there a fix for CVE-2020-15111?** Yes. github.com/gofiber/fiber (Go): upgrade to 1.12.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-15111?** Check whether you run github.com/gofiber/fiber (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/gofiber/fiber (Go): upgrade to 1.12.6 or later

  ```sh
  go get github.com/gofiber/fiber@v1.12.6
  ```


## Affected products

- github.com/gofiber/fiber (Go) SEMVER:introduced=0,fixed=1.12.6

## Identifiers

- CVE-2020-15111
- GHSA-9cx9-x2gp-9qvh
- GO-2021-0108

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