CVE-2022-47966Known exploitationPublic exploitNetwork attack vector

Unauthenticated code execution via pre-verification XSLT transforms

Published Jan 18, 2023 · Updated Jul 31, 2026

Remote code execution in Zoho ManageEngine on-premise products allows remote attackers to run arbitrary code through crafted SAML responses. Apache Santuario xmlsec 1.4.1 applies attacker-supplied XSLT in SignedInfo before verifying the XML signature, allowing Xalan Java extensions to invoke Runtime.exec. Exploitation requires SAML SSO to have been configured; several products require it to remain active, and commands run with the application service's privileges.

CVSS severity9.8
Critical
EPSS probability99.75%
Next 30 days · Sep 16, 2026
Known exploitationReported
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Zoho ManageEngine on-premise products allows remote attackers to run arbitrary code through crafted SAML responses. Apache Santuario xmlsec 1.4.1 applies attacker-supplied XSLT in SignedInfo before verifying the XML signature, allowing Xalan Java extensions to invoke Runtime.exec. Exploitation requires SAML SSO to have been configured; several products require it to remain active, and commands run with the application service's privileges.

The record

CVE
CVE-2022-47966
Published
Jan 18, 2023
Updated
Jul 31, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-20, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 18, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

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

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 IPsShadowserver observations through Sep 16, 2026. Gaps indicate unavailable data.
Sep 10, 2026Sep 16, 2026
View daily counts
Reporting dayUnique IPs
Sep 10, 2026Unavailable
Sep 11, 2026Unavailable
Sep 12, 2026Unavailable
Sep 13, 2026Unavailable
Sep 14, 20261
Sep 15, 2026Unavailable
Sep 16, 2026Unavailable
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationReported
Public exploitPublished

Weakness, pattern, technique

CWE-20Improper Input Validation
T1190Exploit Public-Facing Application

Public exploit references

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

Reported exploitation

Technologies

Your stack

See the directory against your own environment.

Your stack

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