Resource exhaustion in Tornadoweb Tornado
CVE-2024-52804
Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing mal…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.001 (34.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Tornadoweb Tornado — versions < 6.4.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-8w49-h785-mj3c (x_refsource_CONFIRM)
- https://github.com/tornadoweb/tornado/commit/d5ba4a1695fbf7c6a3e54313262639b198291533 (x_refsource_MISC)
- https://github.com/advisories/GHSA-7pwv-g7hj-39pr (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-52804?
- CVE-2024-52804 is a high-severity vulnerability in Tornadoweb Tornado, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-11-22.
- How severe is CVE-2024-52804?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-52804 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.