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CVE-2021-44077

Zoho ManageEngine ServiceDesk Plus Remote Code Execution

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 93.3%
  1. Published29 Nov 2021
  2. Added to CISA KEV1 Dec 2021
  3. Remediation due15 Dec 2021
Actively exploited (CISA KEV)

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution

Added to KEV: 1 Dec 2021Federal remediation due: 15 Dec 2021

Description

Zoho ManageEngine ServiceDesk Plus before 11306, ServiceDesk Plus MSP before 10530, and SupportCenter Plus before 11014 are vulnerable to unauthenticated remote code execution. This is related to /RestAPI URLs in a servlet, and ImportTechnicians in the Struts configuration.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Zohocorp Manageengine Servicedesk Plus< 11.1 · 11.1 · 11.2 · 11.3
Zohocorp Manageengine Servicedesk Plus Msp< 10.5 · 10.5
Zohocorp Manageengine Supportcenter Plus< 11.0 · 11.0

Frequently asked

Is CVE-2021-44077 being actively exploited?

Yes. CVE-2021-44077 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 1 Dec 2021.

How severe is CVE-2021-44077?

CVE-2021-44077 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 93.3% probability of exploitation.

Which products are affected by CVE-2021-44077?

Affected products include Zohocorp Manageengine Servicedesk Plus, Zohocorp Manageengine Servicedesk Plus Msp, Zohocorp Manageengine Supportcenter Plus.

How do I fix CVE-2021-44077?

Upgrade affected software to a fixed version, for example Zohocorp Manageengine Servicedesk Plus 11.1, Zohocorp Manageengine Servicedesk Plus Msp 10.5, Zohocorp Manageengine Supportcenter Plus 11.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-44077 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.