CVE-2015-7852

CVE-2015-7852 is a medium-severity vulnerability in Ntp with a CVSS 3.x base score of 5.9. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Description

ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.

Frequently asked questions

What is CVE-2015-7852?
ntpq in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash) via crafted mode 6 response packets.
How severe is CVE-2015-7852?
CVE-2015-7852 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-7852 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7852?
CVE-2015-7852 primarily affects Ntp. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7852?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7852 published?
CVE-2015-7852 was published on 2017-08-07 and last updated on 2026-06-17.

References

Affected products (45)

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Threat intelligence

Threat-intel indicators referencing this CVE: