Improper input validation in Broadcom Reactor Netty
CVE-2020-5403
Reactor Netty HttpServer, versions 0.9.3 and 0.9.4, is exposed to a URISyntaxException that causes the connection to be closed prematurely instead of producing a 400 response.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Broadcom Reactor Netty — versions 0.9.3, 0.9.4
- Pivotal Reactor Netty — versions 0.9 v0.9.3.RELEASE, 0.9 v0.9.4.RELEASE
- Pivotal Reactor Netty — versions 0.9.3, 0.9.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- pivotal.io/security/cve-2020-5403 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5403?
- CVE-2020-5403 is a high-severity vulnerability in Broadcom Reactor Netty, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2020-03-03.
- How severe is CVE-2020-5403?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-5403 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.