Is CVE-2023-41104 in the CISA KEV catalog?

No. CVE-2023-41104 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-41104?

CVE-2023-41104 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2023-41104?

CVE-2023-41104 has an EPSS score of 0.49% (39th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-41104?

Upgrade varnish enterprise to 6.0.11 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-41104

MEDIUM

6.5

CVSS v3

NVD

Description

libvmod-digest before 1.0.3, as used in Varnish Enterprise 6.0.x before 6.0.11r5, has an out-of-bounds memory access during base64 decoding, leading to both authentication bypass and information disclosure; however, the exact attack surface will depend on the particular VCL (Varnish Configuration Language) configuration in use.

CWE-119Buffer Overflow

How to fix

Remediation Available

varnish enterpriseNVD

Affected:>= 6.0.0, < 6.0.11Fixed in:6.0.11CVE-2023-41104derived from NVD

vmod digestNVD

Affected:< 1.0.3Fixed in:1.0.3CVE-2023-41104derived from NVD

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

AvailabilityNone

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

Exploit Intelligence

0.49%probability of exploitation in 30 days

39thpercentile

Low risk: more likely to be exploited than 39% of all known CVEs.

References

Patch1

varnish-cache.org

Vendor Advisory1

docs.varnish-software.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.