Symphony process is a module for the Symphony PHP framework which executes commands in sub-processes. On Windows, when an executable file named cmd.exe is located in the current working directory it will be called by the Process class when preparing command arguments, leading to possible hijacking. This issue has been addressed in release versions 5.4.46, 6.4.14, and 7.1.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
CVE-2024-51736
UNRATEDCVSS · not yet scored
—
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No CVSS published and no exploitation signals yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS v2: —Exploit: None knownExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EchelonGraph score
- Not yet assessedNo source has published severity data for this CVE yet — no CVSS score from NVD or a CNA, no GitHub advisory, and it is not in CISA KEV. This is not a rating of zero; we cannot assess it yet.
- EG Score
- —
- EG Risk
- —
- EPSS PROB
- 0%
- EPSS %ILE
- 36%
- KEV
- Not listed
Published
November 6, 2024
Last Modified
September 4, 2025
References (2)
- security-advisories@githubhttps://github.com/symfony/symfony/security/advisories/GHSA-qq5c-677p-737q
- security-advisories@githubhttps://github.com/symfony/symfony/security/advisories/GHSA-qq5c-677p-737q
Affected Packages
(2 across 1 ecosystem)
Packagist(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| symfony/process | v7.0.0 ... v7.1.6 (13 versions) | 7.1.7 | — |
| symfony/symfony | v7.0.0 ... v7.1.6 (20 versions) | 7.1.7 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 33× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 166 total refreshes for this CVE.
- 2026-09-19 15:40 UTCEPSS rescore
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- 2026-07-13 20:38 UTCOSV refresh
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- 2026-06-30 23:21 UTCEPSS rescore
Frequently asked(4)
What is CVE-2024-51736?
CVE-2024-51736 is a publicly disclosed vulnerability published on November 6, 2024. Symphony process is a module for the Symphony PHP framework which executes commands in sub-processes. On Windows, when an executable file named cmd.exe is located in the current working directory it will be called by the Process class when preparing command arguments, leading to possible hijacking.…
When was CVE-2024-51736 disclosed?
CVE-2024-51736 was first published in the National Vulnerability Database on November 6, 2024, with the most recent update on September 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-51736 actively exploited?
CVE-2024-51736 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 63.6% of all scored CVEs.
How do I remediate CVE-2024-51736?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-51736, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-51736
Is Your Infrastructure Affected by CVE-2024-51736?
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