CVE-2021-41136

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

1.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 67.6% of scored records. A rank, not a probability.

NVD base score

3.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. 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.

Published

2021-10-12 15:30Z5 YR AGO

Last updated

2025-05-27 15:16Z1 YR AGO

Reserved

2021-09-15

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N

Weaknesses

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

Data version

5.1

Document digest

690f65851d297a277387a37c10e6c54a6075e3635c5985097496cbd3030d86e1

• github.comhttps://github.com/puma/puma/security/advisories/GHSA-48w2-rm65-62xxx_refsource_CONFIRM
• github.comhttps://github.com/puma/puma/commit/436c71807f00e07070902a03f79fd3e130eb6b18x_refsource_MISC
• github.comhttps://github.com/puma/puma/commit/acdc3ae571dfae0e045cf09a295280127db65c7fx_refsource_MISC
• github.comhttps://github.com/puma/puma/commit/fb6ad8f8013ab5cdbb2f444cbfabd0b4fde71139x_refsource_MISC
• www.debian.orgDSA-5146https://www.debian.org/security/2022/dsa-5146vendor-advisoryx_refsource_DEBIAN
• security.gentoo.orgGLSA-202208-28https://security.gentoo.org/glsa/202208-28vendor-advisoryx_refsource_GENTOO
• lists.debian.org[debian-lts-announce] 20220827 [SECURITY] [DLA 3083-1] puma security updatehttps://lists.debian.org/debian-lts-announce/2022/08/msg00015.htmlmailing-listx_refsource_MLIST