Is CVE-2024-50340 in the CISA KEV catalog?

No. CVE-2024-50340 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-50340?

CVE-2024-50340 has a CVSS v3 base score of 7.3 (HIGH).

What is the EPSS score for CVE-2024-50340?

CVE-2024-50340 has an EPSS score of 63.42% (99th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-50340?

Upgrade symfony on debian 12 to 5.4.53+dfsg-0+deb12u1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2024-50340

HIGHEPSS 99th pctl

7.3

CVSS v3

NVD

Description

symfony/runtime is a module for the Symphony PHP framework which enables decoupling PHP applications from global state. When the `register_argv_argc` php directive is set to `on` , and users call any URL with a special crafted query string, they are able to change the environment or debug mode used by the kernel when handling the request. As of versions 5.4.46, 6.4.14, and 7.1.7 the `SymfonyRuntime` now ignores the `argv` values for non-SAPI PHP runtimes. All users are advised to upgrade. There are no known workarounds for this vulnerability.

CWE-74Injection

How to fix

Remediation Available

symfonyDebian

Fixed in:5.4.53+dfsg-0+deb12u1CVE-2024-50340

Fixed in:6.4.41+dfsg-0+deb13u1CVE-2024-50340

Fixed in:6.4.14+dfsg-1CVE-2024-50340

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

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

63.42%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-74 (Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-2251	Critical	9.8	100%	KEV	Fix
CVE-2023-22527	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2019-2725	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2022-35914	Critical	9.8	100%	KEV	-
CVE-2019-17558	High	7.5	99%	KEV	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 2024-11-08.