Priority HIGH 77
Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smux_accept() performs an unauthenticated blocking read without timeout on newly accepted connections.
CVSS 4.0HIGH 8.7· Network · No auth · No interaction · EPSS 0.00486 · Published 2026-09-11 · No fix listed CWE-1088
Priority HIGH 77
net-snmp is a SNMP application library, tools and daemon.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.4236 · Published 2025-12-22 · Partial fix · 5.9.5, 5.10.pre2 CWE-119
Priority MEDIUM 40
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.01156 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-476
Priority LOW 31
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01114 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-476
Priority LOW 31
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01141 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-476
Priority LOW 31
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01016 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-120
Priority LOW 31
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01061 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-20
Priority MEDIUM 41
net-snmp provides various tools relating to the Simple Network Management Protocol.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.01299 · Published 2024-04-16 · Partial fix · 5.9.2 CWE-120
Priority MEDIUM 62
handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet…
CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.5346 · Published 2022-11-07 · Partial fix CWE-476
Priority MEDIUM 62
handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a c…
CVSS 3.1MEDIUM 6.5· Network · No auth · User interaction · EPSS 0.52054 · Published 2022-11-07 · Fixed CWE-476
Priority LOW 36
Net-SNMP through 5.7.3 allows Escalation of Privileges because of UNIX symbolic link (symlink) following.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00455 · Published 2020-08-19 · No fix listed CWE-59
Priority LOW 34
Net-SNMP through 5.8 has Improper Privilege Management because SNMP WRITE access to the EXTEND MIB provides the ability to run arbitrary commands as root.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00379 · Published 2020-08-19 · Partial fix CWE-269
Priority LOW 33
net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.02315 · Published 2020-06-25 · Fixed CWE-415
Priority HIGH 72
snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting i…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.0359 · Published 2018-10-08 · Partial fix CWE-476
Priority MEDIUM 46
_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resultin…
CVSS 3.0MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.17504 · Published 2018-10-08 · No fix listed CWE-476
Priority MEDIUM 51
NET-SNMP version 5.7.2 contains a heap corruption vulnerability in the UDP protocol handler that can result in command execution.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.06291 · Published 2018-03-07 · Partial fix CWE-787
Priority LOW 12
The net-snmp package in OpenBSD through 5.8 uses 0644 permissions for snmpd.conf, which allows local users to obtain sensitive community information by reading this file.
CVSS 2.0LOW 2.1· Local · No auth · Interaction — · EPSS 0.00545 · Published 2015-11-10 · No fix listed CWE-200
Priority HIGH 72
The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove the varBind variable in a netsnmp_variable_list item when parsing of the SNMP PDU fails, which allows remote attackers to cause a de…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.38322 · Published 2015-08-19 · Fixed CWE-190
Priority LOW 30
snmplib/mib.c in net-snmp 5.7.0 and earlier, when the -OQ option is used, allows remote attackers to cause a denial of service (snmptrapd crash) via a crafted SNMP trap message, which triggers a conversion to the variabl…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.04439 · Published 2014-10-07 · Partial fix CWE-399
Priority LOW 26
The perl_trapd_handler function in perl/TrapReceiver/TrapReceiver.xs in Net-SNMP 5.7.3.pre3 and earlier, when using certain Perl versions, allows remote attackers to cause a denial of service (snmptrapd crash) via an emp…
CVSS 2.0MEDIUM 4.3· Network · No auth · Interaction — · EPSS 0.03298 · Published 2014-04-27 · Fixed CWE-20
Priority LOW 27
The AgentX subagent in Net-SNMP before 5.4.4 allows remote attackers to cause a denial of service (hang) by sending a multi-object request with an Object ID (OID) containing more subids than previous requests, a differen…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.01992 · Published 2014-04-17 · No fix listed CWE-20
Priority LOW 30
The Linux implementation of the ICMP-MIB in Net-SNMP 5.5 before 5.5.2.1, 5.6.x before 5.6.2.1, and 5.7.x before 5.7.2.1 does not properly validate input, which allows remote attackers to cause a denial of service via uns…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.03979 · Published 2014-03-24 · Fixed CWE-20
Priority LOW 32
Net-SNMP 5.7.1 and earlier, when AgentX is registering to handle a MIB and processing GETNEXT requests, allows remote attackers to cause a denial of service (crash or infinite loop, CPU consumption, and hang) by causing…
CVSS 2.0MEDIUM 4.3· Network · No auth · Interaction — · EPSS 0.09451 · Published 2013-12-13 · Fixed CWE-399
Priority LOW 21
Array index error in the handle_nsExtendOutput2Table function in agent/mibgroup/agent/extend.c in Net-SNMP 5.7.1 allows remote authenticated users to cause a denial of service (out-of-bounds read and snmpd crash) via an…
CVSS 2.0LOW 3.5· Network · Low privileges · Interaction — · EPSS 0.02167 · Published 2012-08-14 · Fixed
Priority LOW 27
agent/snmp_agent.c in snmpd in net-snmp 5.0.9 in Red Hat Enterprise Linux (RHEL) 3 allows remote attackers to cause a denial of service (daemon crash) via a crafted SNMP GETBULK request that triggers a divide-by-zero err…
CVSS 2.0MEDIUM 5.0· Network · No auth · Interaction — · EPSS 0.02214 · Published 2009-06-26 · Fixed CWE-369
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