On F5 BIG-IP 13.0.0-13.1.0.5 or 12.0.0-12.1.3.3, malicious root users with access to a VCMP guest can cause a disruption of service on adjacent VCMP guests running on the same host. Exploiting this vulnerability causes the vCMPd process on the adjacent VCMP guest to restart and produce a core file. This issue is only exploitable on a VCMP guest which is operating in "host-only" or "bridged" mode. VCMP guests which are "isolated" are not impacted by this issue and do not provide mechanism to exploit the vulnerability. Guests which are deployed in "Appliance Mode" may be impacted however the exploit is not possible from an Appliance Mode guest. To exploit this vulnerability root access on a guest system deployed as "host-only" or "bridged" mode is required.
Published 2018-05-02 13:29:01
Updated 2019-10-03 00:03:26
Source F5 Networks
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-5518

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-5518

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.3
LOW AV:A/AC:M/Au:S/C:N/I:N/A:P
4.4
2.9
NIST
5.4
MEDIUM CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:H
1.0
4.0
NIST

References for CVE-2018-5518

Products affected by CVE-2018-5518

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