Known exploited vulnerability
CVE-2020-11899
The short answer
CVE-2020-11899 affects n/a n/a and is rated medium (CVSS 5.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-03: attackers are using it, so patch it first.
What it is
The Treck TCP/IP stack before 6.0.1.66 has an IPv6 Out-of-bounds Read.
Weakness: CWE-125.
Severity
5.4 medium
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Exploited (CISA KEV)
Yes, since Mar 3, 2022
Federal due date Mar 17, 2022
EPSS, next 30 days
18%
Higher than 97% of scored CVEs
How it can be exploited
- Attack vector
- Adjacent network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- Low
- Availability impact
- Low
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- cwe.mitre.org/data/definitions/125.html Technical Description
- jsof-tech.com/vulnerability-disclosure-policy/ Broken LinkThird Party Advisory
- security.netapp.com/advisory/ntap-20200625-0006/ Third Party Advisory
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-treck-ip-stack-JyBQ5GyC Third Party Advisory
- www.dell.com/support/article/de-de/sln321836/dell-response-to-the-ripple20-vulnerabilities Third Party Advisory
- www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00295.html Third Party Advisory
- www.jsof-tech.com/ripple20/ Broken LinkExploitThird Party Advisory
- www.kb.cert.org/vuls/id/257161 Third Party AdvisoryUS Government Resource
- www.kb.cert.org/vuls/id/257161/ MitigationThird Party AdvisoryUS Government Resource
- www.treck.com ProductVendor Advisory
- cwe.mitre.org/data/definitions/125.html Technical Description
- jsof-tech.com/vulnerability-disclosure-policy/ Broken LinkThird Party Advisory
Questions
Is CVE-2020-11899 being exploited?
Yes. CISA added CVE-2020-11899 to its Known Exploited Vulnerabilities catalog on 2022-03-03, with a federal remediation due date of 2022-03-17.
How do I fix CVE-2020-11899?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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