AUGUST 4, 2026
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Case File

CVE-2021-3737

HIGH · CVSS 7.5 EPSS 11.99% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-03-04 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗ github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-3737
Severity
HIGH
CVSS
7.5
EPSS
11.99%

Original NVD Description

A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.