CVE-2022-39021Network attack vector

Unauthenticated open redirect via login parameter

Published Oct 31, 2022 · Updated May 6, 2025

Open redirect in the U-Office Force login function in 20.50.7821D Build:202104sp1 and earlier allows remote attackers to redirect users. The login function accepts an untrusted destination parameter and uses it for redirection without restricting the destination to a trusted site. Exploitation requires no authentication but does require a user to follow a crafted login link, enabling redirection to an arbitrary website.

CVSS severity6.1
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in the U-Office Force login function in 20.50.7821D Build:202104sp1 and earlier allows remote attackers to redirect users. The login function accepts an untrusted destination parameter and uses it for redirection without restricting the destination to a trusted site. Exploitation requires no authentication but does require a user to follow a crafted login link, enabling redirection to an arbitrary website.

The record

CVE
CVE-2022-39021
Published
Oct 31, 2022
Updated
May 6, 2025
Vendor
e-Excellence Inc.
Product
U-Office Force
Classifications
CWE-601
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 31, 2022CVE publishedPublication date reported by the CVE source.
  2. May 6, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=20.50.7821D Build:202104sp1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

e-Excellence Inc. · U-Office Forceversion=unspecified <=20.50.7821D Build:202104sp1

Published CVSS scores

6.1TWCERT/CCCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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