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CVE-2023-46846

Squid-cache Squid vulnerability

9.3 CRITICALEPSS 6.21%
  1. Published3 Nov 2023

Description

SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

Affected products

Squid-cache Squid≥ 2.6 < 6.4
Redhat Enterprise Linux8.0 · 9.0
Redhat Enterprise Linux Eus8.6 · 8.8 · 9.0 · 9.2
Redhat Enterprise Linux For Arm 648.0_aarch64
Redhat Enterprise Linux For Ibm Z Systems8.0_s390x
Redhat Enterprise Linux For Power Little Endian8.0_ppc64le
Redhat Enterprise Linux Server Aus8.2 · 8.4 · 8.6 · 9.2
Redhat Enterprise Linux Server Tus8.2 · 8.4 · 8.6 · 8.8

Remediation

Fixed in
Squid-cache Squid≥ 6.4

Frequently asked

Is CVE-2023-46846 being actively exploited?

CVE-2023-46846 is not in the CISA KEV catalog. Its EPSS exploit probability is 6.21%.

How severe is CVE-2023-46846?

CVE-2023-46846 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 6.21% probability of exploitation.

Which products are affected by CVE-2023-46846?

Affected products include Squid-cache Squid, Redhat Enterprise Linux, Redhat Enterprise Linux Eus, Redhat Enterprise Linux For Arm 64, Redhat Enterprise Linux For Ibm Z Systems, and 3 more.

How do I fix CVE-2023-46846?

Upgrade affected software to a fixed version, for example Squid-cache Squid 6.4 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-46846 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.