CVE-2015-5571

Flash Player vulnerability

CVSS

4.3

EPSS

3.3%

EPSS pct

87th

Exploited

No known

Adobe Flash Player before 18.0.0.241 and 19.x before 19.0.0.185 on Windows and OS X and before 11.2.202.521 on Linux, Adobe AIR before 19.0.0.190, Adobe AIR SDK before 19.0.0.190, and Adobe AIR SDK & Compiler before 19.0.0.190 do not properly restrict the SWF file format, which allows remote attackers to conduct cross-site request forgery (CSRF) attacks against JSONP endpoints, and obtain sensitive information, via a crafted OBJECT element with SWF content satisfying the character-set requirements of a callback API. NOTE: this issue exists because of an incomplete fix for CVE-2014-4671 and CVE-2014-5333.

Affected vendor

Adobe

Affected product

Flash Player

CVSS vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Weakness type (CWE)

CWE-200 — Exposure of Sensitive Information
CWE-352 — Cross-Site Request Forgery (CSRF)

Published

2015-09-22

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring no authentication. Successful exploitation leads to partial impact to confidentiality.

Its EPSS score of 3.3% 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-2015-5571

Confirm whether Adobe Flash Player is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-5571.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-5571

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-5571 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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