Improper input validation in Citrix Xenserver
CVE-2015-7705
The rate limiting feature in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to have unspecified impact via a large number of crafted requests.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.122 (96.1th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.124 · newest: 0.122 · change: -0.002
Affected products
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html (vendor-advisory)
- www.kb.cert.org/vuls/id/718152 (US Government Resource, Third Party Advisory, third-party-advisory)
- www.ubuntu.com/usn/USN-2783-1 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00020.html (vendor-advisory)
- www.securityfocus.com/bid/77284 (VDB Entry, Third Party Advisory, vdb-entry)
- support.citrix.com/article/CTX220112 (Third Party Advisory)
- www.securitytracker.com/id/1033951 (VDB Entry, Third Party Advisory, vdb-entry)
- support.ntp.org/bin/view/Main/SecurityNotice (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html (vendor-advisory)
- www.cs.bu.edu/~goldbe/NTPattack.html (Not Applicable)
Frequently asked questions
- What is CVE-2015-7705?
- CVE-2015-7705 is a critical-severity vulnerability in Citrix Xenserver, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-08-07.
- How severe is CVE-2015-7705?
- Critical severity. CVSS v3 base score is 9.8 out of 10.