CVE-2019-1265

Yammer vulnerability

CVSS

7.5

EPSS

3.4%

EPSS pct

87th

Exploited

No known

A security feature bypass vulnerability exists when Microsoft Yammer App for Android fails to apply the correct Intune MAM Policy.This could allow an attacker to perform functions that are restricted by Intune Policy.The security update addresses the vulnerability by correcting the way the policy is applied to Yammer App., aka 'Microsoft Yammer Security Feature Bypass Vulnerability'.

Affected vendor

Microsoft

Affected product

Yammer

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Published

2019-09-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 3.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 87% of all scored CVEs.

Check your external exposure to CVE-2019-1265

Confirm whether Microsoft Yammer is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2019-1265.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-1265

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-1265 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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