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CVE-2017-7643

35
FAUCET Score

CVE-2017-7643 describes a local privilege escalation vulnerability in Proxifier for Mac versions prior to 2.19. An authenticated local user can exploit this flaw by manipulating the first parameter of the KLoader setuid program to gain elevated privileges on the affected system. With a CVSS score of 7.8 (High), this vulnerability allows for complete compromise of confidentiality, integrity, and availability. While not actively exploited in the wild and not on CISA's KEV catalog, public exploit code exists on ExploitDB, indicating its potential for exploitation. There is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.19CPE matchmatch criteria
cpe:2.3:a:proxifier:proxifier:*:*:*:*:*:macos:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.97%
Probability of exploitation in next 30 days
EPSS Percentile
58.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-41854 · Apr 11, 2017
This CVE's current EPSS score of 0.0097 is in the 91st percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

seclists.org / fulldisclosure/2017/Apr/54
Mailing ListTechnical DescriptionThird Party AdvisoryVDB Entry
m4.rkw.io / blog/cve20177643-local-root-privesc-in-proxifier-for-mac--218.html
ExploitThird Party Advisory
exploit-db.com / exploits/41854
Third Party AdvisoryVDB Entry