HOMEVULNERABILITIESCVE-2016-6820
HIGH

CVE-2016-6820

CWE-200Published: January 11, 2017· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

MetroCluster Tiebreaker for clustered Data ONTAP in versions before 1.2 discloses sensitive information in cleartext which may be viewed by an unauthenticated user.

NVD Source

Technical Analysis

CVE-2016-6820 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected Vendors & Products

netapp1 product(s)
metrocluster tiebreaker
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://kb.netapp.com/support/s/article/cve-2016-6820-sensitive-information-disclosure-in-metrocluster-tiebreaker-for-clustered-data-ontap?language=en_US
PATCHhttps://kb.netapp.com/support/s/article/cve-2016-6820-sensitive-information-disclosure-in-metrocluster-tiebreaker-for-clustered-data-ontap?language=en_US
ADVISORYhttp://www.securityfocus.com/bid/92495
ADVISORYhttp://www.securityfocus.com/bid/92495

All References (6)

→
http://www.securityfocus.com/bid/92495Third Party Advisory · VDB Entry
→
https://kb.netapp.com/support/s/article/cve-2016-6820-sensitive-information-disclosure-in-metrocluster-tiebreaker-for-clustered-data-ontap?language=en_USPatch · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20160816-0001/
→
http://www.securityfocus.com/bid/92495Third Party Advisory · VDB Entry
→
https://kb.netapp.com/support/s/article/cve-2016-6820-sensitive-information-disclosure-in-metrocluster-tiebreaker-for-clustered-data-ontap?language=en_USPatch · Vendor Advisory
→
https://security.netapp.com/advisory/ntap-20160816-0001/

Quick Facts

CVE IDCVE-2016-6820
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedJan 11, 2017

Related CVEs (CWE-200)

CVE-2011-0376
10.0
CVE-2014-9162
10.0
CVE-2011-3497
10.0
CVE-2022-29165
10.0
CVE-2011-1643
10.0
CVE-2025-61481
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-6820 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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