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CVE-2015-7645

93
FAUCET Score

CVE-2015-7645 is a critical arbitrary code execution vulnerability affecting Adobe Flash Player versions 18.x through 18.0.0.252, 19.x through 19.0.0.207 on Windows and OS X, and 11.x through 11.2.202.535 on Linux, stemming from a type confusion flaw in IExternalizable.writeExternal. This vulnerability carries a high CVSS score of 7.8, indicating a severe impact with high confidentiality, integrity, and availability compromise. It is actively exploited in the wild, including in known ransomware campaigns, and has garnered significant community discussion and media coverage, with exploit code publicly available on ExploitDB.

Impacted Technologies

VendorProductVersion(s)CPE
>= 18.0.0.160, <= 18.0.0.252CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
19.0.0.185CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.185:*:*:*:*:*:*:*
19.0.0.207CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:19.0.0.207:*:*:*:*:*:*:*
<= 11.2.202.535CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
11.4CPE matchmatch criteria
cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
68.40%
Probability of exploitation in next 30 days
EPSS Percentile
99.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Added to KEV · Mar 3, 2022
ExploitDB: EDB-38490 · Oct 19, 2015
This CVE's current EPSS score of 0.6840 is in the 99th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5 SupplementaryFixed in: flash-plugin-0:11.2.202.548-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: flash-plugin-0:11.2.202.540-1.el6_7
View patch

Vendor Advisories (1)

redhatCVE-2015-7645Critical

flash-plugin: multiple code execution issue fixed in APSB15-27

Oct 14, 2015

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
blog.trendmicro.com / trendlabs-security-intelligence/new-adobe-flash-zero-day-used-in-pawn-storm-campaign
Broken Link
lists.opensuse.org / opensuse-security-announce/2015-10/msg00015.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-10/msg00016.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-10/msg00017.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-10/msg00018.html
Mailing ListThird Party Advisory
packetstormsecurity.com / files/134009/Adobe-Flash-IExternalizable.writeExternal-Type-Confusion.html
Third Party AdvisoryVDB Entry
rhn.redhat.com / errata/RHSA-2015-1913.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2015-2024.html
Third Party Advisory
helpx.adobe.com / security/products/flash-player/apsa15-05.html
Broken LinkPatchVendor Advisory
helpx.adobe.com / security/products/flash-player/apsb15-27.html
Broken Link
security.gentoo.org / glsa/201511-02
Third Party Advisory
exploit-db.com / exploits/38490
Third Party AdvisoryVDB Entry
securityfocus.com / bid/77081
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1033850
Broken LinkThird Party AdvisoryVDB Entry