CVE-2023-26555
MEDIUM
6.4
CVSS Score
Published: April 11, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:43 AM UTC
1 product affected across 1 vendorNTP
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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Third Party Advisory
Source: [email protected]
https://github.com/spwpun/ntp-4.2.8p15-cves/blob/main/CVE-2023-26555SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.4MEDIUMCISA-ADP
- Attack Vector
- PHYSICAL
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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