Is CVE-2011-4968 in the CISA KEV catalog?

No. CVE-2011-4968 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-4968?

CVE-2011-4968 has a CVSS v3 base score of 4.8 (MEDIUM).

What is the EPSS score for CVE-2011-4968?

CVE-2011-4968 has an EPSS score of 3.99% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-4968?

Upgrade nginx on debian 11 to 1.9.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-4968

MEDIUMEPSS 89th pctl

4.8

CVSS v3

NVD

Description

nginx http proxy module does not verify peer identity of https origin server which could facilitate man-in-the-middle attack (MITM)

CWE-20Improper Input Validation

How to fix

Remediation Available

nginxDebian

Fixed in:1.9.1-1CVE-2011-4968

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 RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

3.99%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch2

Third-Party Advisory4

Other references1

access.redhat.com

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	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 2024-11-21.