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CVE-2024-28859

25
FAUCET Score

CVE-2024-28859 is a critical deserialization vulnerability affecting Symfony1, a community fork of symfony 1.4, specifically versions prior to 1.5.18. This flaw stems from a gadget chain within the bundled Swift Mailer dependency, allowing remote code execution if a developer deserializes untrusted user input. With a CVSS score of 9.0 (Critical), it presents a high impact on confidentiality, integrity, and availability, requiring high attack complexity but no user interaction. While there are no known active exploits or publicly available exploit tools, the vulnerability has garnered some community discussion and media coverage, including an article noting GPT-4's ability to exploit CVEs.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.3.0, < 1.5.18CPE matchmatch criteria
cpe:2.3:a:friendsofsymfony1:symfony1:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
1.6
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.49%
Probability of exploitation in next 30 days
EPSS Percentile
71.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0149 is in the 64th percentile among its peer group of 200 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.2 Bluesky, 0.8 Mastodon, and 2.3 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

composerpatch availablevia ghsa
Product: friendsofsymfony1/symfony1Fixed in: 1.5.18
composerpatch availablevia ghsa
Product: friendsofsymfony1/swiftmailerFixed in: 5.4.13
composerpatch availablevia ghsa
Product: friendsofsymfony1/swiftmailerFixed in: 6.2.5
composerpatch availablevia ghsa
Product: swiftmailer/swiftmailerFixed in: 6.2.5
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-wjv8-pxr6-5f4rmedium

Gadget chain in Symfony 1 due to vulnerable Swift Mailer dependency

Mar 18, 2024

References

github.com / FriendsOfSymfony1/symfony1/commit/edb850f94fb4de18ca53d0d1824910d6e8130166
Technical Description
github.com / FriendsOfSymfony1/symfony1/security/advisories/GHSA-wjv8-pxr6-5f4r
ExploitTechnical DescriptionVendor Advisory