CVE-2018-12240

CVE-2018-12240 is a medium-severity vulnerability in Symantec Norton Password Manager with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

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.

Frequently asked questions

What is CVE-2018-12240?
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.
How severe is CVE-2018-12240?
CVE-2018-12240 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-12240 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12240?
CVE-2018-12240 affects Symantec Norton Password Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12240?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12240 published?
CVE-2018-12240 was published on 2018-08-29 and last updated on 2026-06-17.

References

Affected products (1)

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