CVE-2020-3952 kev in the critical feed json
Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC…
published 2020-04-10 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25217
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03
- epss
- 90.4%
- EPSS 90.4% chance of exploitation in 30 days, percentile 99.8%
- public exploits
- 3
- Metasploit, Exploit-DB, plus a Nuclei check
Summary
Under certain conditions, vmdir that ships with VMware vCenter Server, as part of an embedded or external Platform Services Controller (PSC), does not correctly implement access controls.
Patch / fix
cisa required action Apply updates per vendor instructions.
Timeline
- First public exploit (Metasploit auxiliary/admin/ldap/vmware_vcenter_vmdir_auth_bypass)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5 y ago
- Patch by
- 2022-05-03 (4 y ago)
- Ransomware
- Not known
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- VMware, vCenter Server
- CISA name
- VMware vCenter Server Information Disclosure Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 21 mo ago
Exploit prediction
90.38% chance of exploitation in the next 30 days, higher than 99.8% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/admin/ldap/vmware_vcenter_vmdir_auth_bypass VMware vCenter Server vmdir Authentication Bypass metasploit auxiliary, normal rank, 2020-04-09
- Metasploit auxiliary/gather/vmware_vcenter_vmdir_ldap VMware vCenter Server vmdir Information Disclosure metasploit auxiliary, normal rank, 2020-04-09
- EDB-48535 VMware vCenter Server 6.7 - Authentication Bypass webapps, 2020-06-01
- Nuclei template VMware vCenter Server LDAP Broken Access Control nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a VMware vCenter Server
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
- Technology feeds
References
-
packetstormsecurity.com
/files/157896/VMware-vCenter-Server-6.7-Authentication-Bypass.html
exploit, third-party-advisory, vdb-entry
-
vmware.com
/security/advisories/VMSA-2020-0006
broken-link, vendor-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-3952
government-resource, us-government-resource
Sources
- CVE List CVE-2020-3952
- NVD CVE-2020-3952
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.