CVE-2017-11281

Exp

Adobe Flash Player has an exploitable memory corruption vulnerability in the text handling function. Successful exploitation could lead to arbitrary code execution. This affects 26.0.0.151 and earlier.

Published: 2017-12-01 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-11281 is rated High Exploit Risk (83.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 33.88%, 98th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2017-11281

EDB-ID Source Kind Published Link
42782 exploit_db edb 2017-09-25 Exploit-DB ↗
42781 exploit_db edb 2017-09-25 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2017-11281

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 60.93% 33.88% -27.05%
2 2026-02-26 57.70% 60.93% +3.23%
3 2026-02-01 — 57.70% —

Full EPSS history (31 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-11281

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2017-11281

OS Trackers for CVE-2017-11281

vendor priority summary link
gentoo high CVE-2017-11281: 1 GLSA(s) (201709-16), 1 atom(s) (www-plugins/adobe-flash); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-11281
redhat critical — https://access.redhat.com/security/cve/CVE-2017-11281
ubuntu critical CVE-2017-11281 critical priority: Ubuntu including 1 source packages (flashplugin-nonfree), 4 status rows across 4 suites (trusty, upstream, xenial, zesty): released 4. https://ubuntu.com/security/CVE-2017-11281

Affected software / configurations for CVE-2017-11281

Vendor Product Version Raw CPE
adobe flash_player <= 26.0.0.151 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
adobe flash_player <= 26.0.0.151 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
adobe flash_player <= 26.0.0.151 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
adobe flash_player <= 26.0.0.151 cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer:*:*
redhat enterprise_linux_desktop 6.0 cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_server 6.0 cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
redhat enterprise_linux_workstation 6.0 cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

References for CVE-2017-11281

URL Tags
http://www.securityfocus.com/bid/100710 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039314 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:2702 Third Party Advisory
https://helpx.adobe.com/security/products/flash-player/apsb17-28.html Patch Vendor Advisory
https://security.gentoo.org/glsa/201709-16 Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42781/ Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42782/ Third Party Advisory VDB Entry
https://www.youtube.com/watch?v=CvmnUeza9zw Exploit Third Party Advisory
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