CVE-2020-28483

HTTP Response Splitting

7.1 HighFix available

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: Low
Availability: None

Exploit likelihood

1.33%Up 0.7 points since Apr 14, 2021

What each source reports

CVE List Score used 7.1

HTTP Response Splitting

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: CVE-2020-28483
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Updated: 2026-11-02

EUVDEUVD-2021-1332 7.1

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: EUVD-2021-1332
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-h395-qcrw-5vmq 7.1

Inconsistent Interpretation of HTTP Requests in github.com/gin-gonic/gin

When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header. This affects all versions of package github.com/gin-gonic/gin under 1.7.7.

Record: GHSA-h395-qcrw-5vmq
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Weakness: CWE-113, CWE-444
Updated: 2026-11-02

NVD 7.1

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: CVE-2020-28483
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
CVSS 2.0: 5.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:N
Weakness: CWE-444
Updated: 2026-11-02

OSV 7.1

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: CVE-2020-28483
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-28483 7.1

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: DEBIAN-CVE-2020-28483
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Updated: 2026-11-02

OSVGHSA-h395-qcrw-5vmq 7.1

Inconsistent Interpretation of HTTP Requests in github.com/gin-gonic/gin

When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header. This affects all versions of package github.com/gin-gonic/gin under 1.7.7.

Record: GHSA-h395-qcrw-5vmq
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Weakness: CWE-113, CWE-444
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-28483 7.1

This affects all versions of package github.com/gin-gonic/gin. When gin is exposed directly to the internet, a client's IP can be spoofed by setting the X-Forwarded-For header.

Record: UBUNTU-CVE-2020-28483
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Updated: 2026-11-02

OSVGO-2021-0052 No score

Inconsistent interpretation of HTTP Requests in github.com/gin-gonic/gin

Due to improper HTTP header sanitization, a malicious user can spoof their source IP address by setting the X-Forwarded-For header. This may allow a user to bypass IP based restrictions, or obfuscate their true source.

Record: GO-2021-0052
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/gin-gonic/gin` Go	before 1.7.7	1.7.7
`golang-github-gin-gonic-gin` Debian:12	before 1.8.1-1	1.8.1-1
`golang-github-gin-gonic-gin` Debian:13	before 1.8.1-1	1.8.1-1
`golang-github-gin-gonic-gin` Debian:14	before 1.8.1-1	1.8.1-1
`golang-github-gin-gonic-gin` Ubuntu:18.04:LTS	All versions, plus listed versions 1.2+dfsg1-21.2+dfsg1-2ubuntu1	None known
`golang-github-gin-gonic-gin` Ubuntu:20.04:LTS	All versions, plus listed versions 1.3.0+dfsg1-3	None known
`golang-github-gin-gonic-gin` Ubuntu:22.04:LTS	All versions, plus listed versions 1.6.3-4	None known
`golang-github-gin-gonic-gin` Ubuntu:24.04:LTS	All versions, plus listed versions 1.8.1-11.8.1-2	None known
`golang-github-gin-gonic-gin` Ubuntu:25.10	All versions, plus listed versions 1.8.1-21.8.1-3	None known
`golang-github-gin-gonic-gin` Ubuntu:26.10	All versions, plus listed versions 1.8.1-31.8.1-4	None known
`golang-github-gin-gonic-gin` Ubuntu:26.04:LTS	All versions, plus listed versions 1.8.1-3	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, products, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-28483 is a high vulnerability (CVSS 7.1) in Gin-gonic Gin, published January 20, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. Fixed in github.com/gin-gonic/gin 1.7.7.

References

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