CVE-2021-3570
high-risk
Published 2021-07-09
A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports allows a remote attacker to cause an information leak, crash, or potentially remote code execution. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. This flaw affects linuxptp versions before 3.1.1, before 2.0.1, before 1.9.3, before 1.8.1, before 1.7.1, before 1.6.1 and before 1.5.1.
Do I need to act?
~
1.2% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (13)
Affected Vendors
References (10)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1966240
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00025.html
Third Party Advisory
https://www.debian.org/security/2021/dsa-4938
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1966240
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00025.html
Third Party Advisory
https://www.debian.org/security/2021/dsa-4938
51
/ 100
high-risk
Severity
30/34 · Critical
Exploitability
4/34 · Minimal
Exposure
17/34 · Moderate