VDB
CVE-2020-11076
CVE-2020-11076
PUBLISHED
CVSS 7.5 HIGH
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.
EPSS 4.09% · 90.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
4.09%
90.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | puma | 0, 3.12.0-2ubuntu1, 3.12.0-4ubuntu1 |
Timeline
- May 22, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Mar 7, 2023 EPSS Score
- Nov 21, 2024 CVE Updated
- Mar 17, 2025 EPSS Score
- Mar 19, 2025 EPSS Score
- Mar 27, 2025 EPSS Score
- Mar 28, 2025 EPSS Score
- Mar 29, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-11076 third-party-advisory
- https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h third-party-advisory
- https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd third-party-advisory
- https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22 third-party-advisory
- https://ubuntu.com/security/notices/USN-6682-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-11076 third-party-advisory