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Fencer Intel
medium 6.1

CVE-2018-12300 json

Arbitrary Redirect in echo-server.html in Seagate NAS OS version 4.3.15.1 allows attackers to disclose information in the Referer header vi…

published 7y ago modified 4mo ago also EUVD-2018-4274

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known, plus a Nuclei check

Summary

Arbitrary Redirect in echo-server.html in Seagate NAS OS version 4.3.15.1 allows attackers to disclose information in the Referer header via the 'state' URL parameter.

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Exploit prediction

3.24% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template Seagate NAS OS 4.3.15.1 - Open Redirect nuclei detection template
  • blog.securityevaluators.com https://blog.securityevaluators.com/invading-your-personal-cloud-ise-labs-exploits-the-seagate-stcr3000101-ecf89de2170 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.