Vulnerability in NetApp Cloud Secure Agent
CVE-2021-3859
A flaw was found in Undertow that tripped the client-side invocation timeout with certain calls made over HTTP2. This flaw allows an attacker to carry out denial of service attacks.
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: 0.016 (75.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: -0.000
Affected products
- NetApp Cloud Secure Agent
- NetApp Oncommand Insight
- NetApp Oncommand Workflow Automation
- Red Hat Jboss Enterprise Application Platform — versions 7.3, 7.4
- Red Hat Single Sign-On — versions 7.4.10, 7.5.1
- Red Hat Undertow
- Undertow — versions Fixed in 2.2.15.Final
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Issue Tracking, Vendor Advisory)
- issues.redhat.com/browse/UNDERTOW-1979 (Patch, Issue Tracking, Vendor Advisory)
- github.com/undertow-io/undertow/pull/1296 (Third Party Advisory)
- github.com/undertow-io/undertow/commit/e43f0ada3f4da6e8579e0020cec3cb1a81e487c2 (Patch, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2021-3859 (Vendor Advisory)
- security.netapp.com/advisory/ntap-20221201-0004/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3859?
- CVE-2021-3859 is a high-severity vulnerability in NetApp Cloud Secure Agent, classified under CWE-214. CVSS score: 7.5/10. Published 2022-08-26.
- How severe is CVE-2021-3859?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-3859 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.