CVE-2020-11076

HTTP Smuggling via Transfer-Encoding Header in Puma

State
Published
Severity
7.5 High
Published
May 22, 2020
Updated
Aug 4, 2024
Reserved
Mar 30, 2020

Read the record on cve.org

Description

In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NGitHub_M

Weaknesses

  • CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Affected Products

ProductVersions
pumapuma
  • < 3.12.5Affected
  • >= 4.0.0, < 4.3.4Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.