net-snmp snmp_pdu_parse data processing

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.

A vulnerability, which was classified as critical, has been found in net-snmp (Network Management Software) (unknown version). Using CWE to declare the problem leads to CWE-19. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/31/2015 as Bug 1212408 as confirmed bug report (Bugzilla). It is possible to read the advisory at The identification of this vulnerability is CVE-2015-5621 since 07/22/2015. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/20/2018).

The vulnerability scanner Nessus provides a plugin with the ID 85172 (FreeBSD : net-snmp -- snmp_pdu_parse() function incomplete initialization (381183e8-3798-11e5-9970-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370023 (Citrix XenServer Security Update (CTX209443)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76380), X-Force (105232), Vulnerability Center (SBV-54592) and Tenable (85172). is providing further details. Entries connected to this vulnerability are available at 81025, 81555 and 81556.


  • Linux




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Unknown
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 85172
Nessus Name: FreeBSD : net-snmp -- snmp_pdu_parse() function incomplete initialization (381183e8-3798-11e5-9970-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 100803
OpenVAS Name: RedHat Update for net-snmp RHSA-2015:1636-01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍


07/22/2015 🔍
07/31/2015 +9 days 🔍
07/31/2015 +0 days 🔍
08/03/2015 +3 days 🔍
08/03/2015 +0 days 🔍
08/19/2015 +16 days 🔍
08/19/2015 +0 days 🔍
11/24/2015 +97 days 🔍
04/12/2018 +870 days 🔍
04/20/2018 +8 days 🔍


Advisory: Bug 1212408
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5621 (🔍)
SecurityFocus: 76380
X-Force: 105232 - Net-SNMP snmp_pdu_parse() denial of service
Vulnerability Center: 54592 - net-snmp Remote Code Execution in snmp_pdu_parse(), Medium

Misc.: 🔍
See also: 🔍


Created: 08/03/2015 01:18 PM
Updated: 04/20/2018 09:12 AM
Changes: (13) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai advisory_confirm_url countermeasure_name countermeasure_date source_openvas_id source_openvas_filename source_openvas_title source_openvas_family
Complete: 🔍


No comments yet. Please log in to comment.

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!