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Fencer Vulns
high 8.8

CVE-2017-11292 kev in the critical feed json

Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be u…

published 2017-10-21 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2926

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2022-03-03
epss
11.2%
EPSS 11.2% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Adobe Flash Player version 27.0.0.159 and earlier has a flawed bytecode verification procedure, which allows for an untrusted value to be used in the calculation of an array index. This can lead to type confusion, and successful exploitation could lead to arbitrary code execution.

Patch / fix

cisa required action The impacted product is end-of-life and should be disconnected if still in use.

  • flashplugin-nonfree Ubuntu 14.04 LTS 27.0.0.170ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 27.0.0.170ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-11292

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • flash-plugin RHEL 6 EXTRAS 27.0.0.170-1.el6_9

red hat advisories RHSA-2017:2899

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-11292 updated cvss 8.8

flash-plugin: remote code execution vulnerability (APSB17-32)

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 27.0.0.170-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 27.0.0.170-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 27.0.0.170-1.el6_9
    fixed: vendor fix RHSA-2017:2899

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Found exploited as a 0-day (Project Zero)
  2. 0-day patched (Project Zero)
  3. Published
  4. Added to CISA KEV
  5. CISA patch deadline
  6. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-03-24 (4 y ago)
Ransomware
Not known
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Vendor, product
Adobe, Flash Player
CISA name
Adobe Flash Player Type Confusion Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Found
2017-10-10
Patched
2017-10-16
Details
project zero tracker

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1204.002 Malicious File exploitation
  • T1566.001 Spearphishing Attachment exploitation
  • T1105 Ingress Tool Transfer primary impact
  • T1005 Data from Local System secondary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

11.21% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P

Affected products

  • n/a Adobe Flash Player version 27.0.0.159 and earlier

Classification

Weakness
  • CWE-843 Access of Resource Using Incompatible Type

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.