HOMEVULNERABILITIESCVE-2020-35743
HIGH

CVE-2020-35743

CWE-89Published: December 31, 2020· Updated: Jun 17, 2026

7.6
CVSS v3.1

Official Description

HGiga MailSherlock contains a SQL injection flaw. Attackers can inject and launch SQL commands in a URL parameter of specific cgi pages.

NVD Source

Technical Analysis

CVE-2020-35743 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low 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), with a CVSS base score of 7.6.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

Affected Vendors & Products

hgiga4 product(s)
msr45 isherlock-antispammsr45 isherlock-userssr45 isherlock-antispamssr45 isherlock-user
Source: NVD CPE · 4 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2020-35743
CVSS Score7.6 / 10
SeverityHIGH
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2020

Related CVEs (CWE-89)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-35743 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.