| CVE-2021-3571 | Date: (C)2021-07-10 (M)2023-12-22 |
A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V3 Severity: | CVSS V2 Severity: |
| CVSS Score : 7.1 | CVSS Score : 5.5 |
| Exploit Score: 2.8 | Exploit Score: 8.0 |
| Impact Score: 4.2 | Impact Score: 4.9 |
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| CVSS V3 Metrics: | CVSS V2 Metrics: |
| Attack Vector: NETWORK | Access Vector: NETWORK |
| Attack Complexity: LOW | Access Complexity: LOW |
| Privileges Required: LOW | Authentication: SINGLE |
| User Interaction: NONE | Confidentiality: PARTIAL |
| Scope: UNCHANGED | Integrity: NONE |
| Confidentiality: LOW | Availability: PARTIAL |
| Integrity: NONE | |
| Availability: HIGH | |
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