Is CVE-2008-6123 in the CISA KEV catalog?

No. CVE-2008-6123 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2008-6123?

CVE-2008-6123 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2008-6123?

CVE-2008-6123 has an EPSS score of 2.92% (85th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2008-6123?

Upgrade net-snmp on debian 11 to 5.4.3~dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2008-6123

MEDIUMEPSS 85th pctl

5.0

CVSS v2

NVD

Description

The netsnmp_udp_fmtaddr function (snmplib/snmpUDPDomain.c) in net-snmp 5.0.9 through 5.4.2.1, when using TCP wrappers for client authorization, does not properly parse hosts.allow rules, which allows remote attackers to bypass intended access restrictions and execute SNMP queries, related to "source/destination IP address confusion."

CWE-863Incorrect Authorization

How to fix

Remediation Available

net-snmpDebian

Fixed in:5.4.3~dfsg-1CVE-2008-6123

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.92%probability of exploitation in 30 days

85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Exploit1

bugs.gentoo.org

Third-Party Advisory1

securitytracker.com

Mailing List6

Product2

Other references5

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	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 2026-04-23.