Attacker Value
Unknown
0
CVE-2020-27827
0
CVE ID
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CVE-2020-27827
(Last updated November 08, 2023) ▾
MITRE ATT&CK
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Description
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.5 High
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
lldp/openvswitch lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- fedoraproject,
- lldpd project,
- openvswitch,
- redhat,
- siemens
Products
- enterprise linux 7.0,
- enterprise linux 8.0,
- fedora 33,
- lldpd,
- openshift container platform 4.0,
- openstack 10,
- openstack 13,
- openvswitch,
- simatic hmi unified comfort panels firmware,
- simatic net cp 1243-1 firmware -,
- simatic net cp 1243-8 irc firmware -,
- simatic net cp 1542sp-1 firmware -,
- simatic net cp 1542sp-1 irc firmware -,
- simatic net cp 1543-1 firmware -,
- simatic net cp 1543sp-1 firmware -,
- simatic net cp 1545-1 firmware -,
- sinumerik one firmware,
- tim 1531 irc firmware,
- virtualization 4.0
References
Advisory
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 Exploited in the Wild
CVE ID
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