Is CVE-2018-12240 in the CISA KEV catalog?

No. CVE-2018-12240 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-12240?

CVE-2018-12240 has a CVSS v3 base score of 5.9 (MEDIUM).

What is the EPSS score for CVE-2018-12240?

CVE-2018-12240 has an EPSS score of 1.13% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-12240?

Upgrade norton password manager to 5.3.0.976 or later.

CVE & CISA-KEV Catalog

CVE-2018-12240

MEDIUM

5.9

CVSS v3

NVD

Description

The Norton Identity Safe product prior to 5.3.0.976 may be susceptible to a privilege escalation issue via a hard coded IV, which is a type of vulnerability that can potentially increase the likelihood of encrypted data being recovered without adequate credentials.

CWE-798Hard-coded Credentials

How to fix

Remediation Available

norton password managerNVD

Affected:< 5.3.0.976Fixed in:5.3.0.976CVE-2018-12240derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

1.13%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory1

support.symantec.com

Third-Party Advisory1

securityfocus.com

Related Vulnerabilities

Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-26138	Critical	9.8	98%	KEV	-
CVE-2024-3272	Critical	9.8	98%	KEV	-
CVE-2025-30406	Critical	9.0	94%	KEV	Fix
CVE-2024-28987	Critical	9.1	93%	KEV	Fix
CVE-2019-15976	Critical	9.8	93%	-	Fix
CVE-2024-20439	Critical	9.8	92%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.