HOMEVULNERABILITIESCVE-2016-5101
HIGH

CVE-2016-5101

CWE-284Published: June 29, 2016· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

Unspecified vulnerability in Opera Mail before 2016-02-16 on Windows allows user-assisted remote attackers to execute arbitrary code via a crafted e-mail message.

NVD Source

Technical Analysis

CVE-2016-5101 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

Microsoft1 product(s)
windows
opera1 product(s)
opera mail
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (4)

Quick Facts

CVE IDCVE-2016-5101
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-284
CISA KEVNo
Affected2 vendor(s)
PublishedJun 29, 2016

Related CVEs (CWE-284)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2016-5101 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.COM. CVE data is provided under the NVD usage policy.