CVE-2015-7853: netapp clustered_data_ontap Classic Buffer Overflow
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2015-7853DEBIAN-CVE-2015-7853
Published 07-08-2017Last modified 06-08-2024
Vulnerability summary
CVE-2015-7853 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in netapp clustered_data_ontap. EPSS estimates a 11.78% chance of exploitation in the next 30 days, higher than 96% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
11.78%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 6 · Related 5Timeline
- 07-08-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service (crash) via a negative input value.
CVSS metrics
5 scores · 3 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
11.78%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 11.78% on 18-09-2026
18-09-202618-10-2026
EPSS score11.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Netapp5 products
Debian1 product
- ntp< 1:4.2.8p4+dfsg-1
Ntp1 product
- ntp≥ 4.2.0, < 4.2.8 | ≥ 4.3.0, < 4.3.77 | 4.2.8 | 4.2.8:p1 | 4.2.8:p1-beta1 | 4.2.8:p1-beta2 | 4.2.8:p1-beta3 | 4.2.8:p1-beta4 | 4.2.8:p1-beta5 | 4.2.8:p1-rc1 | 4.2.8:p1-rc2 | 4.2.8:p2 | 4.2.8:p2-rc1 | 4.2.8:p2-rc2 | 4.2.8:p2-rc3 | 4.2.8:p3 | 4.2.8:p3-rc1 | 4.2.8:p3-rc2 | 4.2.8:p3-rc3
Ubuntu1 product
- ntp< 1:4.2.6.p5+dfsg-3ubuntu2.14.04.5
4 vendors · 8 products
References
35 links- bugzilla.redhat.com/show_bug.cgi?id=1274262X Refsource CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
Show all 35 references
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-ntpVendor AdvisoryX Refsource CISCO
- bto.bluecoat.com/security-advisory/sa103X Refsource CONFIRM
- www.talosintel.com/vulnerability-reports/X Refsource MISC
- cert-portal.siemens.com/productcert/pdf/ssa-211752.pdfX Refsource CONFIRM
us-cert.cisa.gov/ics/advisories/icsa-21-159-11X Refsource MISC