CVE-2021-36580

MEDIUM NUCLEI

IceWarp MailServer <13.0.1.2 - Open Redirect

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-36580 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.

Description

Open Redirect vulnerability exists in IceWarp MailServer IceWarp Server Deep Castle 2 Update 1 (13.0.1.2) via the referer parameter.

Nuclei Templates (1)

IceWarp Mail Server - Open Redirect
MEDIUMVERIFIEDby DhiyaneshDk
Shodan: title:"icewarp" || http.title:"icewarp"
FOFA: title="icewarp"

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.0153
EPSS Percentile 71.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-601
Status published
Products (2)
icewarp/icewarp_server < 13.0.1.2
icewarp/mail_server < 13.0.1.2
Published Jul 27, 2023
Tracked Since Feb 18, 2026