How severe is CVE-2018-12301?

CVE-2018-12301 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-12301 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-12301?

CVE-2018-12301 affects Seagate Nas Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-12301?

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-2018-12301 published?

CVE-2018-12301 was published on 2019-05-13 and last updated on 2026-06-17.

CVE-2018-12301

CVE-2018-12301 is a high-severity vulnerability in Seagate Nas Os with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Seagate Nas Os
Published: 2019-05-13
Last modified: 2026-06-17

Description

Unvalidated URL in Download Manager in Seagate NAS OS version 4.3.15.1 allows attackers to access the loopback interface via a Download URL of 127.0.0.1 or localhost.

Frequently asked questions

What is CVE-2018-12301?: Unvalidated URL in Download Manager in Seagate NAS OS version 4.3.15.1 allows attackers to access the loopback interface via a Download URL of 127.0.0.1 or localhost.
How severe is CVE-2018-12301?: CVE-2018-12301 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-12301 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-12301?: CVE-2018-12301 affects Seagate Nas Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-12301?: 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-2018-12301 published?: CVE-2018-12301 was published on 2019-05-13 and last updated on 2026-06-17.

References

https://blog.securityevaluators.com/invading-your-personal-cloud-ise-labs-exploits-the-seagate-stcr3000101-ecf89de2170

Affected products (1)

cpe:2.3:o:seagate:nas_os:4.3.15.1:*:*:*:*:*:*:*

More vulnerabilities in Seagate Nas Os

CVE-2018-12295 — Critical (CVSS 9.8): SQL injection in folderViewSpecific.psp in Seagate NAS OS version 4.3.15.1 allows attackers to execute arbitrary SQL…
CVE-2018-12298 — High (CVSS 7.5): Directory Traversal in filebrowser in Seagate NAS OS 4.3.15.1 allows attackers to read files within the application's…
CVE-2018-12296 — High (CVSS 7.5): Insufficient access control in /api/external/7.0/system.System.get_infos in Seagate NAS OS version 4.3.15.1 allows…
CVE-2018-12304 — Medium (CVSS 6.1): Cross-site scripting in Application Manager in Seagate NAS OS version 4.3.15.1 allows attackers to execute JavaScript…
CVE-2018-12302 — Medium (CVSS 6.1): Missing HTTPOnly flag on session cookies in the Seagate NAS OS version 4.3.15.1 web application allows attackers to…
CVE-2018-12300 — Medium (CVSS 6.1): Arbitrary Redirect in echo-server.html in Seagate NAS OS version 4.3.15.1 allows attackers to disclose information in…

All CVEs affecting Seagate Nas Os →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →