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Critical· 9.8actively exploitedofficial fix available

CVE-2022-47966

CVE-2022-47966 is a critical remote code execution vulnerability in multiple Zoho ManageEngine products. It arises from improper security protections in Apache Santuario xmlsec 1.4.1, allowing attackers to execute code if SAML SSO is configured. Exploitation requires prior SAML SSO setup for some products.

publishedJan 18, 2023
last modifiedJul 31, 2026
sourcesNVD · CISA-KEV
severity · cvss
9.8
critical · how bad it is
exploitation · epss
100%
100th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 30, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

All Zoho ManageEngine on-premise products listed in the CPE, including ServiceDesk Plus, Active Directory 360, ADAudit Plus, and others, up to specific versions (e.g., ServiceDesk Plus 14003, AD360 4.3).

02

Real-world impact

High risk of remote code execution if SAML SSO is configured. Exploitation is possible without user interaction.

03

Why this severity

CVSS 9.8 (critical): High confidence in exploitability and potential for full system compromise.

04

What to do about it

official fix available
recommended steps
  1. 01Apply the vendor's security updates or patches as instructed in their advisory for affected products.
  2. 02Verify updates are installed across all affected systems, especially those using SAML SSO.

CISA KEV required action

05

Timeline

  1. Jan 18, 2023 · Jan 18, 2023
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jan 23, 2023 · Jan 23, 2023
    Confirmed exploited (CISA KEV)
    CISA added it to the Known Exploited Vulnerabilities catalog — attackers are using it in the wild.
  3. Feb 13, 2023 · Feb 13, 2023
    CISA remediation deadline
    Federal agencies are required to remediate by this date.
  4. Jul 31, 2026 · 6d ago
    Advisory updated
    The NVD record was last revised.
  5. Jul 31, 2026 · 6d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

NVD advisory ↗CISA KEV catalog ↗Search advisories ↗
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →