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CVE-2019-12799

68
FAUCET Score

CVE-2019-12799 is a PHP object instantiation vulnerability in Shopware versions up to 5.6.x, allowing arbitrary deserialization through crafted web requests. This flaw can lead to remote code execution (RCE) and specifically bypasses a previous whitelist patch for CVE-2017-18357. With a CVSS score of 8.8 (High), it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While not listed on the KEV catalog, a Metasploit module exists for exploitation, indicating readily available exploit code, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.6.0CPE matchmatch criteria
cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
54.68%
Probability of exploitation in next 30 days
EPSS Percentile
98.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Shopware createInstanceFromNamedArguments PHP Object Instantiation RCE · May 9, 2019
This CVE's current EPSS score of 0.5468 is in the 98th percentile among its peer group of 17,805 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-rf8f-hqjv-986phigh

Shopware Insecure Deserialization Vulnerability

May 24, 2022

References

github.com / rapid7/metasploit-framework/pull/11828
Issue TrackingPatchThird Party Advisory