Attacker Value
Unknown
0
CVE-2021-3772
0
CVE ID
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CVE-2021-3772
(Last updated February 23, 2025) ▾
MITRE ATT&CK
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Collection
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Command and Control
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Credential Access
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Defense Evasion
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Discovery
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Execution
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Exfiltration
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Impact
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Initial Access
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Lateral Movement
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Persistence
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Privilege Escalation
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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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
6.5 Medium
Impact Score:
4.2
Exploitability Score:
2.2
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
Low
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
kernel Fixed in linux kernel v5.15 and above
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Products
- communications cloud native core binding support function 22.1.3,
- communications cloud native core network exposure function 22.1.1,
- communications cloud native core policy 22.2.0,
- debian linux 10.0,
- debian linux 9.0,
- e-series santricity os controller 11.0,
- e-series santricity os controller 11.0.0,
- e-series santricity os controller 11.20,
- e-series santricity os controller 11.25,
- e-series santricity os controller 11.30,
- e-series santricity os controller 11.30.5r3,
- e-series santricity os controller 11.40,
- e-series santricity os controller 11.40.3r2,
- e-series santricity os controller 11.40.5,
- e-series santricity os controller 11.50.1,
- e-series santricity os controller 11.50.2,
- e-series santricity os controller 11.60,
- e-series santricity os controller 11.60.0,
- e-series santricity os controller 11.60.1,
- e-series santricity os controller 11.60.3,
- e-series santricity os controller 11.70.1,
- e-series santricity os controller 11.70.2,
- enterprise linux 8.0,
- h300s firmware -,
- h410c firmware -,
- h410s firmware -,
- h500s firmware -,
- h610c firmware -,
- h610s firmware -,
- h615c firmware -,
- h700s firmware -,
- hci compute node -,
- linux kernel,
- solidfire & hci management node -,
- solidfire & hci storage node -
Weaknesses
References
Miscellaneous
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Zero-day Exploit
Report as Exploited in the Wild
CVE ID
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