Is CVE-2023-46853 in the CISA KEV catalog?

No. CVE-2023-46853 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-46853?

CVE-2023-46853 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2023-46853?

CVE-2023-46853 has an EPSS score of 0.76% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-46853?

Upgrade memcached on debian 13 to 1.6.22-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-46853

CRITICAL

9.8

CVSS v3

NVD

Description

In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.

CWE-193

How to fix

Remediation Available

memcachedDebian

Fixed in:1.6.22-1CVE-2023-46853

memcachedUbuntu

Fixed in:1.6.14-1ubuntu0.1USN-6476-1

Fixed in:1.6.18-1ubuntu0.1USN-6476-1

Fixed in:1.6.21-1ubuntu0.23.10.1USN-6476-1

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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.76%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

github.com

Release Notes1

github.com

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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 2024-11-21.