HOMEVULNERABILITIESCVE-2016-5762
CRITICAL

CVE-2016-5762

CWE-190Published: April 20, 2017· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Integer overflow in the Post Office Agent in Novell GroupWise before 2014 R2 Service Pack 1 Hot Patch 1 might allow remote attackers to execute arbitrary code via a long (1) username or (2) password, which triggers a heap-based buffer overflow.

NVD Source

Technical Analysis

CVE-2016-5762 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 complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

novell1 product(s)
groupwise
Source: NVD CPE · 2 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
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All References (12)

→
http://packetstormsecurity.com/files/138503/Micro-Focus-GroupWise-Cross-Site-Scripting-Overflows.html
→
http://seclists.org/fulldisclosure/2016/Aug/123
→
http://www.securityfocus.com/archive/1/539296/100/0/threaded
→
http://www.securityfocus.com/bid/92642
→
https://www.novell.com/support/kb/doc.php?id=7017975
→
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160825-0_Micro_Focus_GroupWise_Multiple_vulnerabilities_v10.txt
→
http://packetstormsecurity.com/files/138503/Micro-Focus-GroupWise-Cross-Site-Scripting-Overflows.html
→
http://seclists.org/fulldisclosure/2016/Aug/123
→
http://www.securityfocus.com/archive/1/539296/100/0/threaded
→
http://www.securityfocus.com/bid/92642
→
https://www.novell.com/support/kb/doc.php?id=7017975
→
https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20160825-0_Micro_Focus_GroupWise_Multiple_vulnerabilities_v10.txt

Quick Facts

CVE IDCVE-2016-5762
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-190
CISA KEVNo
Affected1 vendor(s)
PublishedApr 20, 2017

Related CVEs (CWE-190)

CVE-2015-5097
10.0
CVE-2015-5108
10.0
CVE-2008-2663
10.0
CVE-2013-2555
10.0
CVE-2012-5835
10.0
CVE-2010-1233
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-5762 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.COM. CVE data is provided under the NVD usage policy.
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