Auth bypass in Zohocorp Manageengine Servicedesk Plus
CVE-2021-44077
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.933 (99.8th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.933 · newest: 0.933 · change: 0.000
Affected products
- Zohocorp Manageengine Servicedesk Plus — versions 11.1, 11.2, 11.3
- Zohocorp Manageengine Servicedesk Plus Msp — versions 10.5
- Zohocorp Manageengine Supportcenter Plus — versions 11.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-20… (Vendor Advisory)
- pitstop.manageengine.com/portal/en/community/topic/security-advisory-authentica… (Patch, Vendor Advisory)
- pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-20… (Vendor Advisory)
- pitstop.manageengine.com/portal/en/community/topic/security-advisory-for-cve-20… (Vendor Advisory)
- packetstormsecurity.com/files/165400/ManageEngine-ServiceDesk-Plus-Remote-Code-… (Exploit, VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2021-44077?
- CVE-2021-44077 is a critical-severity vulnerability in Zohocorp Manageengine Servicedesk Plus, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2021-11-29.
- How severe is CVE-2021-44077?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2021-44077 known to be exploited?
- Yes. CVE-2021-44077 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-12-01), indicating it is being actively exploited. 20 public proof-of-concept repositories are indexed.