Philips ISCV application prior to version 2.3.0 has an insufficient session expiration vulnerability where an attacker could reuse the session of a previously logged in user. This vulnerability exists when using ISCV together with an Electronic Medical Record (EMR) system, where ISCV is in KIOSK mode for multiple users and using Windows authentication. This may allow an attacker to gain unauthorized access to patient health information and potentially modify this information.
Published 2018-03-20 17:29:00
Updated 2018-04-20 15:02:29
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: Bypass

Exploit prediction scoring system (EPSS) score for CVE-2018-5438

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 24 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-5438

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.3
LOW AV:L/AC:M/Au:N/C:P/I:P/A:N
3.4
4.9
NIST
6.3
MEDIUM CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
1.0
5.2
NIST

CWE ids for CVE-2018-5438

  • According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-5438

Products affected by CVE-2018-5438

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