HOMEVULNERABILITIESCVE-2016-8203
HIGH

CVE-2016-8203

CWE-119Published: October 31, 2016· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official Description

A memory corruption in the IPsec code path of Brocade NetIron OS on Brocade MLXs 5.8.00 through 5.8.00e, 5.9.00 through 5.9.00bd, 6.0.00, and 6.0.00a images could allow attackers to cause a denial of service (line card reset) via certain constructed IPsec control packets.

NVD Source

Technical Analysis

CVE-2016-8203 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

brocade1 product(s)
netiron os
Source: NVD CPE · 3 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

ADVISORYhttp://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdf
ADVISORYhttp://www.securityfocus.com/bid/94232
ADVISORYhttp://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdf
ADVISORYhttp://www.securityfocus.com/bid/94232

All References (6)

→
http://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdfVendor Advisory
→
http://www.securityfocus.com/bid/94232Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1037010
→
http://www.brocade.com/en/backend-content/pdf-page.html?/content/dam/common/documents/content-types/security-bulletin/brocade-security-advisory-2016-168.pdfVendor Advisory
→
http://www.securityfocus.com/bid/94232Third Party Advisory · VDB Entry
→
http://www.securitytracker.com/id/1037010

Quick Facts

CVE IDCVE-2016-8203
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedOct 31, 2016

Related CVEs (CWE-119)

CVE-2007-2522
10.0
CVE-2007-2831
10.0
CVE-2007-2418
10.0
CVE-2007-2582
10.0
CVE-2008-4562
10.0
CVE-2007-3338
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-8203 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. CVE data is provided under the NVD usage policy.
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