Is CVE-2024-50342 in the CISA KEV catalog?

No. CVE-2024-50342 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-50342?

CVE-2024-50342 has a CVSS v3 base score of 3.1 (LOW).

What is the EPSS score for CVE-2024-50342?

CVE-2024-50342 has an EPSS score of 0.48% (38th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-50342?

Upgrade symfony on debian 12 to 5.4.23+dfsg-1+deb12u3 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-50342

LOW

3.1

CVSS v3

NVD

Description

symfony/http-client is a module for the Symphony PHP framework which provides powerful methods to fetch HTTP resources synchronously or asynchronously. When using the `NoPrivateNetworkHttpClient`, some internal information is still leaking during host resolution, which leads to possible IP/port enumeration. As of versions 5.4.46, 6.4.14, and 7.1.7 the `NoPrivateNetworkHttpClient` now filters blocked IPs earlier to prevent such leaks. All users are advised to upgrade. There are no known workarounds for this vulnerability.

CWE-200Information Exposure

How to fix

Remediation Available

symfonyDebian

Fixed in:5.4.23+dfsg-1+deb12u3CVE-2024-50342

Fixed in:6.4.15+dfsg-1CVE-2024-50342

php-symfonyUbuntu

Fixed in:4.3.8+dfsg-1ubuntu1+esm2USN-7272-1

Fixed in:5.4.4+dfsg-1ubuntu8+esm1USN-7272-1

Fixed in:6.4.5+dfsg-3ubuntu3+esm1USN-7272-1

symfonyUbuntu

Fixed in:4.3.8+dfsg-1ubuntu1+esm2USN-7272-1

Fixed in:5.4.4+dfsg-1ubuntu8+esm1USN-7272-1

Fixed in:6.4.5+dfsg-3ubuntu3+esm1USN-7272-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.48%probability of exploitation in 30 days

38thpercentile

Low risk: more likely to be exploited than 38% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-200 (Information Exposure) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-24919	High	8.6	100%	KEV + Ransom	-
CVE-2020-14181	Medium	5.3	100%	-	Fix
CVE-2021-34429	Medium	5.3	99%	-	Fix
CVE-2018-11409	Medium	5.3	98%	-	-
CVE-2021-41277	Critical	10.0	97%	KEV	-
CVE-2016-2183	High	7.5	96%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-12.