MEDIUM
CVE-2017-5873
CWE-428Published: April 11, 2017· Updated: Jun 17, 2026
6.7
CVSS v3.1
Official Description
Unquoted Windows search path vulnerability in the guest service in Unisys s-Par before 4.4.20 allows local users to gain privileges via a Trojan horse executable file in the %SYSTEMDRIVE% directory, as demonstrated by program.exe.
Technical Analysis
CVE-2017-5873 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
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 6.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
unisys1 product(s)
secure partitioning
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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Official Patches & Advisories
All References (2)
→
http://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=41Exploit · Mitigation · Vendor Advisory
→
http://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=41Exploit · Mitigation · Vendor Advisory
Quick Facts
CVE IDCVE-2017-5873
CVSS Score6.7 / 10
SeverityMEDIUM
WeaknessCWE-428
CISA KEVNo
Affected1 vendor(s)
PublishedApr 11, 2017
Related CVEs (CWE-428)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-5873 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.