CVE-2015-5621

7.5 HIGH
Published: August 19, 2015 Modified: December 04, 2025

Description

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 denial of service (crash) and possibly execute arbitrary code via a crafted packet.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2015-09/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2015-1636.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.citrix.com/article/CTX209443
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/04/13/1
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
http://www.openwall.com/lists/oss-security/2015/04/16/15
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2015/07/31/1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/76380
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1033304
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-2711-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.redhat.com/show_bug.cgi?id=1212408
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://sourceforge.net/p/net-snmp/bugs/2615/
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.debian.org/security/2018/dsa-4154
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.exploit-db.com/exploits/45547/
Source: af854a3a-2127-422b-91ae-364da2661108

30 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
17.8%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

net-snmp