HOMEVULNERABILITIESCVE-2008-6123
MEDIUM

CVE-2008-6123

CWE-863Published: February 12, 2009· Updated: Jun 16, 2026

5.0
CVSS v3.1

Official 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."

NVD Source

Technical Analysis

CVE-2008-6123 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected Vendors & Products

net-snmp1 product(s)
net-snmp
openSUSE1 product(s)
opensuse
Red Hat1 product(s)
enterprise linux
SUSE1 product(s)
linux enterprise
Source: NVD CPE · 5 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=485211
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=485211
ADVISORYhttp://www.securitytracker.com/id?1021921
ADVISORYhttp://www.securitytracker.com/id?1021921

All References (32)

→
http://bugs.gentoo.org/show_bug.cgi?id=250429Exploit · Issue Tracking
→
http://lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.htmlMailing List
→
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlMailing List
→
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.htmlMailing List
→
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp/trunk/net-snmp/snmplib/snmpUDPDomain.c?r1=17325&r2=17367&pathrev=17367Product
→
http://net-snmp.svn.sourceforge.net/viewvc/net-snmp?view=rev&revision=17367Product
→
http://secunia.com/advisories/34499Broken Link
→
http://secunia.com/advisories/35416Broken Link
→
http://secunia.com/advisories/35685Broken Link
→
http://www.openwall.com/lists/oss-security/2009/02/12/2Mailing List
→
http://www.openwall.com/lists/oss-security/2009/02/12/4Mailing List
→
http://www.openwall.com/lists/oss-security/2009/02/12/7Mailing List
→
http://www.redhat.com/support/errata/RHSA-2009-0295.htmlNot Applicable
→
http://www.securitytracker.com/id?1021921Broken Link · Third Party Advisory · VDB Entry
→
https://bugzilla.redhat.com/show_bug.cgi?id=485211Issue Tracking · Patch

Quick Facts

CVE IDCVE-2008-6123
CVSS Score5.0 / 10
SeverityMEDIUM
WeaknessCWE-863
CISA KEVNo
Affected4 vendor(s)
PublishedFeb 12, 2009

Related CVEs (CWE-863)

CVE-2018-18815
10.0
CVE-2026-48286
10.0
CVE-2020-13300
10.0
CVE-2026-44330
10.0
CVE-2026-48303
10.0
CVE-2021-38503
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2008-6123 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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