Enterasys Netsight 4.1.0.79 nssyslogd.exe memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Enterasys Netsight 4.1.0.79. This impacts an unknown function of the file nssyslogd.exe. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2011-5227. Furthermore, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Enterasys Netsight 4.1.0.79. This affects some unknown processing of the file nssyslogd.exe. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.

The weakness was published 10/25/2012 (Website). It is possible to read the advisory at cp-enterasys.kb.net. This vulnerability is uniquely identified as CVE-2011-5227 since 10/25/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/27/2025).

The exploit is shared for download at exploit-db.com. It is declared as highly functional. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12688 (Enterasys NetSight nssyslogd Remote Code Execution Vulnerability).

Upgrading to version 4.1.0.79 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (71889), Exploit-DB (23887), Secunia (SA47263†) and SecurityTracker (ID 1026440†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: enterasys_netsight_syslog_bof.rb
MetaSploit Name: Enterasys NetSight nssyslogd.exe Buffer Overflow
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Netsight 4.1.0.79

Timelineinfo

12/20/2011 🔍
12/20/2011 +0 days 🔍
10/25/2012 +310 days 🔍
10/25/2012 +0 days 🔍
10/25/2012 +0 days 🔍
03/24/2015 +880 days 🔍
05/27/2025 +3717 days 🔍

Sourcesinfo

Advisory: cp-enterasys.kb.net
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2011-5227 (🔍)
GCVE (CVE): GCVE-0-2011-5227
GCVE (VulDB): GCVE-100-62775
X-Force: 71889
Secunia: 47263 - Enterasys Network Management Suite Syslog Buffer Overflow Vulnerability, Moderately Critical
SecurityTracker: 1026440

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/24/2015 12:22
Updated: 05/27/2025 08:06
Changes: 03/24/2015 12:22 (52), 02/23/2019 08:46 (9), 01/05/2025 16:00 (17), 04/23/2025 22:24 (2), 05/27/2025 08:06 (4)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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