Buffer overflow in VMware Vcenter Server
CVE-2017-4943
VMware vCenter Server Appliance (vCSA) (6.5 before 6.5 U1d) contains a local privilege escalation vulnerability via the 'showlog' plugin. Successful exploitation of this issue could result in a low privileged user gaining root level privileges over the appliance base OS.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- VMware Vcenter Server — versions 6.5
- VMware Vcenter Server Appliance (Vcsa) — versions 6.5 before 6.5 U1d
Weakness classification (CWE)
References
- www.vmware.com/security/advisories/VMSA-2017-0021.html (Patch, Vendor Advisory)
- www.securitytracker.com/id/1040026 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-4943?
- CVE-2017-4943 is a high-severity vulnerability in VMware Vcenter Server, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2017-12-20.
- How severe is CVE-2017-4943?
- High severity. CVSS v3 base score is 7.8 out of 10.