TI-2023-10342 Aliases CVE-2023-24842 GHSA-775x-85h4-43cp

HGiga MailSherlock - Broken Access Control

LOW 31CWE-639Published 2023-03-27 · Updated 2025-02-19

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

HGiga MailSherlock has vulnerability of insufficient access control. An unauthenticated remote user can exploit this vulnerability to access partial content of another user’s mail by changing user ID and mail ID within URL.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00595 48th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
HGiga	MailSherlock	iSherlock-user-4.5 – iSherlock-user-4.5-161; iSherlock-antispam-4.5 – iSherlock-antispam-4.5-167	—	No fix listed	CNA

MailSherlock VendorHGiga Affected iSherlock-user-4.5 – iSherlock-user-4.5-161; iSherlock-antispam-4.5 – iSherlock-antispam-4.5-167 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:hgiga:oaklouds_mailsherlock:4.5:::::::*	4.5	Vulnerable	HGiga

cpe:2.3:a:hgiga:oaklouds_mailsherlock:4.5:*:*:*:*:*:*:* Versions 4.5 Vulnerable ·HGiga

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-24842
2026-10-03 Alias added: GHSA-775x-85h4-43cp

References

Advisory 1

https://www.twcert.org.tw/tw/cp-132-6961-12444-1.html

TI-2023-10341 HGiga MailSherlock - Command Injection CVSS 3.1HIGH 7.2
TI-2023-10340 HGiga MailSherlock - SQL Injection CVSS 3.1HIGH 7.2
TI-2023-10339 HGiga MailSherlock - Reflected XSS CVSS 3.1MEDIUM 6.1
TI-2018-12500 SQL injection in HGiga MailSherlock CVSS 3.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences