CVE-2018-5234
CVE-2018-5234 is a high-severity vulnerability in Symantec Norton Core Firmware with a CVSS 3.x base score of 8.0. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- CVSS v2: 8.3
- EPSS exploit prediction: 17% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Symantec Norton Core Firmware
- Published:
- Last modified:
Description
The Norton Core router prior to v237 may be susceptible to a command injection exploit. This is a type of attack in which the goal is execution of arbitrary commands on the host system via vulnerable software.
Frequently asked questions
- What is CVE-2018-5234?
- The Norton Core router prior to v237 may be susceptible to a command injection exploit. This is a type of attack in which the goal is execution of arbitrary commands on the host system via vulnerable software.
- How severe is CVE-2018-5234?
- CVE-2018-5234 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2018-5234 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-5234?
- CVE-2018-5234 affects Symantec Norton Core Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-5234?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2018-5234 published?
- CVE-2018-5234 was published on 2018-04-30 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/103955
- https://www.exploit-db.com/exploits/44574/
- https://www.symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20180430_00
Affected products (1)
- cpe:2.3:o:symantec:norton_core_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Symantec Norton Core Firmware
- CVE-2019-9695 — Medium (CVSS 6.8): Norton Core prior to v278 may be susceptible to an arbitrary code execution issue, which is a type of vulnerability…