CVE-2021-44526Network attack vector

Unauthenticated configuration access via misconfigured state filter

Published Dec 23, 2021 · Updated Aug 4, 2024

Authentication bypass in Zoho ManageEngine ServiceDesk Plus 12002 and earlier allows remote attackers to access administrative settings via crafted URLs. An improperly configured list-view state filter routes a crafted URL to an authenticated servlet without enforcing authentication. The flaw affects all on-premises editions; APIs and other URL calls are unaffected, while specified configuration data can be read or changed.

CVSS severity9.8
Critical
EPSS probability3.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Zoho ManageEngine ServiceDesk Plus 12002 and earlier allows remote attackers to access administrative settings via crafted URLs. An improperly configured list-view state filter routes a crafted URL to an authenticated servlet without enforcing authentication. The flaw affects all on-premises editions; APIs and other URL calls are unaffected, while specified configuration data can be read or changed.

The record

CVE
CVE-2021-44526
Published
Dec 23, 2021
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
Unavailable
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 23, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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