What’s Vulnerable › Vulnerabilities

CVE-2020-24553

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-02 · updated 2026-06-17
• Weakness: CWE-79

Description

Go before 1.14.8 and 1.15.x before 1.15.1 allows XSS because text/html is the default for CGI/FCGI handlers that lack a Content-Type header.

Affected products

• Fedoraproject Fedora: 33
• Go: before 1.14.8; from 1.15.0 before 1.15.1 — fixed in 1.14.8, 1.15.1
• openSUSE Leap: 15.1, 15.2
• Oracle Communications Cloud Native Core Policy: 1.5.0

How to fix

Upgrade to a fixed version: Go 1.14.8, 1.15.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00002.html
• http://packetstormsecurity.com/files/159049/Go-CGI-FastCGI-Transport-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/Sep/5
• http://seclists.org/fulldisclosure/2020/Sep/5
• http://seclists.org/fulldisclosure/2020/Sep/5
• http://seclists.org/fulldisclosure/2020/Sep/5
• https://groups.google.com/forum/#%21topic/golang-announce/8wqlSbkLdPs
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZBO7Q73GGWBVYIKNH2HNN44Q5IQND5W/
• https://security.netapp.com/advisory/ntap-20200924-0003/
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://www.oracle.com/security-alerts/cpuApr2021.html

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