CVE-2020-11899

Treck TCP/IP stack IPv6: Out-of-Bounds Read

As of , CVE-2020-11899 in Treck TCP/IP stack IPv6 is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.

Exploited
Yes: CISA listed it on 3 March 2022
US federal deadline
17 March 202214 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
EPSS score
0.18Higher than 97% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
0.05 on 3 March 2022EPSS on the day CISA listed it.
Public exploit
None foundNeither Metasploit nor Exploit-DB lists one.
Fix
No vendor link in CISA's entry

What CISA says to do

Apply updates per vendor instructions.

CISA's required action

What the flaw is

The Treck TCP/IP stack contains an IPv6 out-of-bounds read vulnerability.

CISA's description

The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.

The CVE record's description, from mitre

CVE published
17 June 2020
Assigned by
mitre
CVSS
5.4 Medium (CVSS 3.1, from CISA-ADP)
CWE-125
Out-of-bounds Read
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
partial

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

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