HOMEVULNERABILITIESCVE-2020-25848
CRITICAL

CVE-2020-25848

CWE-287Published: December 31, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

HGiga MailSherlock contains weak authentication flaw that attackers grant privilege remotely with default password generation mechanism.

NVD Source

Technical Analysis

CVE-2020-25848 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.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

hgiga10 product(s)
msr45 isherlock-antispammsr45 isherlock-auditmsr45 isherlock-basemsr45 isherlock-usermsr45 isherlock-useradminssr45 isherlock-antispamssr45 isherlock-auditssr45 isherlock-basessr45 isherlock-userssr45 isherlock-useradmin
Source: NVD CPE · 10 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (2)

Quick Facts

CVE IDCVE-2020-25848
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-287
CISA KEVNo
Affected1 vendor(s)
PublishedDec 31, 2020

Related CVEs (CWE-287)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2020-25848 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.