CVE-2018-12302

CVE-2018-12302 is a medium-severity vulnerability in Seagate Nas Os with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Description

Missing HTTPOnly flag on session cookies in the Seagate NAS OS version 4.3.15.1 web application allows attackers to steal session tokens via cross-site scripting.

Frequently asked questions

What is CVE-2018-12302?
Missing HTTPOnly flag on session cookies in the Seagate NAS OS version 4.3.15.1 web application allows attackers to steal session tokens via cross-site scripting.
How severe is CVE-2018-12302?
CVE-2018-12302 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-12302 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12302?
CVE-2018-12302 affects Seagate Nas Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12302?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-12302 published?
CVE-2018-12302 was published on 2019-05-13 and last updated on 2026-06-17.

References

Affected products (1)

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