HOMEVULNERABILITIESCVE-2021-36745
CRITICAL

CVE-2021-36745

CWE-425Published: September 29, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

A vulnerability in Trend Micro ServerProtect for Storage 6.0, ServerProtect for EMC Celerra 5.8, ServerProtect for Network Appliance Filers 5.8, and ServerProtect for Microsoft Windows / Novell Netware 5.8 could allow a remote attacker to bypass authentication on affected installations.

NVD Source

Technical Analysis

CVE-2021-36745 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.

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

trendmicro1 product(s)
serverprotect
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
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://success.trendmicro.com/jp/solution/000289030
PATCHhttps://success.trendmicro.com/solution/000289038
PATCHhttps://success.trendmicro.com/jp/solution/000289030
PATCHhttps://success.trendmicro.com/solution/000289038
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-1115/
ADVISORYhttps://www.zerodayinitiative.com/advisories/ZDI-21-1115/

All References (6)

→
https://success.trendmicro.com/jp/solution/000289030Patch · Vendor Advisory
→
https://success.trendmicro.com/solution/000289038Patch · Vendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-1115/Third Party Advisory · VDB Entry
→
https://success.trendmicro.com/jp/solution/000289030Patch · Vendor Advisory
→
https://success.trendmicro.com/solution/000289038Patch · Vendor Advisory
→
https://www.zerodayinitiative.com/advisories/ZDI-21-1115/Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2021-36745
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-425
CISA KEVNo
Affected1 vendor(s)
PublishedSep 29, 2021

Related CVEs (CWE-425)

CVE-2018-3774
10.0
CVE-2018-6624
9.8
CVE-2019-16340
9.8
CVE-2023-2524
9.8
CVE-2023-1699
9.8
CVE-2021-36560
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-36745 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.
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