CVE-2020-24553
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.0% of scored records. A rank, not a probability.
- NVD base score
- 6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-09-02 16:25Z6 YR AGO
- Last updated
- 2024-08-04 15:12Z2 YR AGO
- Reserved
- 2020-08-20
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.1
- Document digest
- b761f7c3bd50804926ea8a30c3485a1502112b0fc5f7a7db9601479d1d762a49
05 Affected products
06 References
- seclists.org20200902 [RT-SA-2020-004] Inconsistent Behavior of Go's CGI and FastCGI Transport May Lead to Cross-Site Scriptinghttp://seclists.org/fulldisclosure/2020/Sep/5
- lists.fedoraproject.orgFEDORA-2020-741cfa13d0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CZBO7Q73GGWBVYIKNH2HNN44Q5IQND5W/
- lists.opensuse.orgopenSUSE-SU-2020:1584http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00000.html
- lists.opensuse.orgopenSUSE-SU-2020:1587http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00002.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.html
- groups.google.comhttps://groups.google.com/forum/#%21topic/golang-announce/8wqlSbkLdPs
- packetstormsecurity.comhttp://packetstormsecurity.com/files/159049/Go-CGI-FastCGI-Transport-Cross-Site-Scripting.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200924-0003/
- www.oracle.comhttps://www.oracle.com//security-alerts/cpujul2021.html
- www.redteam-pentesting.dehttps://www.redteam-pentesting.de/advisories/rt-sa-2020-004
07 Fixed in
Arch Linux
- go Fixed in 1.15.1-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Debian 11
- golang-1.15 Fixed in 1.15.2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- golang-1.10 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- golang-1.10 Fixed in 1.10.4-2ubuntu1~16.04.2
- golang-1.6 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- golang-1.10 Fixed in 1.10.4-2ubuntu1~18.04.2
- golang-1.8 No fix yet
- golang-1.9 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- golang-1.13 No fix yet
- golang-1.14 Fixed in 1.14.3-2ubuntu2~20.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- golang-1.13 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.