Vulnerability in Symantec Endpoint Protection
CVE-2018-18366
Symantec Norton Security prior to 22.16.3, SEP (Windows client) prior to and including 12.1 RU6 MP9, and prior to 14.2 RU1, SEP SBE prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002 and SEP Cloud prior to 22.16.3 may be susceptible to a kernel memory disclosure, which is a type of issue where a specially crafted IRP request can cause the driver to return uninitialized memory.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (30.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.1% 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
- Symantec Endpoint Protection — versions 11.0, 12.1, 14
- Symantec Endpoint Protection Cloud
- Symantec Endpoint Protection Cloud Agent
- Symantec Norton Security
- Symantec Corporation Norton Security — versions Prior to 22.16.3
- Symantec Corporation Sep Cloud — versions Prior to 22.16.3
- Symantec Corporation Sep Sbe — versions Prior to Cloud Agent 3.00.31.2817, NIS-22.15.2.22, SEP-12.1.7484.7002
- Symantec Corporation Sep (Windows Client) — versions Prior to and including 12.1 RU6 MP9, Prior to 14.2 RU1
Weakness classification (CWE)
References
- support.symantec.com/en_US/article.SYMSA1479.html (Vendor Advisory)
- www.securityfocus.com/bid/107994 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-18366?
- CVE-2018-18366 is a medium-severity vulnerability in Symantec Endpoint Protection, classified under Use of Uninitialized Resource. CVSS score: 6.5/10. Published 2019-04-25.
- How severe is CVE-2018-18366?
- Medium severity. CVSS v3 base score is 6.5 out of 10.