Description
A flaw was found in the Linux SCTP stack. A blind attacker may be able to kill an existing SCTP association through invalid chunks if the attacker knows the IP-addresses and port numbers being used and the attacker can send packets with spoofed IP addresses.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
netapp
commercial·US
Oracle Corp.
commercial·USaka oracle
Сообщество свободного программного обеспечения
oss-projectaka fsf
Red Hat Inc.
commercial·USaka redhat, red hat
Canonical Ltd.
commercial·GBaka canonical
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
and 12 more affected products View all →
Exploitability
Official Patch Available
References
https://security-tracker.debian.org/tracker/CVE-2021-3772
security-tracker.debian.org
https://access.redhat.com/security/cve/CVE-2021-3772
access.redhat.com
https://ubuntu.com/security/notices/USN-5165-1
ubuntu.com
and 24 more references View all →
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2021-3772 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows
