Critical severity · published Jun 17, 2020
CVE-2020-11897
The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets
10.0
CVSS
9.1%
EPSS
No
On KEV
Description
The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)9.1% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TC
Tcp/ip · Treck
before 5.0.1.35 · source: NVD
Affected product
TC
Tcp/ip
Treck
More from Tcp/ip
5.4
CVE-2020-11899
Treck TCP/IP stack Out-of-Bounds Read Vulnerability
10.0
CVE-2020-11896
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling
9.8
CVE-2020-25066
A heap-based buffer overflow in the Treck HTTP Server component before 6.0.1.68 allows remote attackers to cause a denial of service (crash/reset) or to possibly execute arbitrary…
9.1
CVE-2020-11898
The Treck TCP/IP stack before 6.0.1.66 improperly handles an IPv4/ICMPv4 Length Parameter Inconsistency, which might allow remote attackers to trigger an information leak
9.0
CVE-2020-11901
The Treck TCP/IP stack before 6.0.1.66 allows Remote Code execution via a single invalid DNS response