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CVE-2018-12302

22
FAUCET Score

CVE-2018-12302 describes a missing HTTPOnly flag on session cookies within the Seagate NAS OS version 4.3.15.1 web application. This vulnerability, rated 6.1 MEDIUM, allows attackers to steal session tokens through successful cross-site scripting (XSS) attacks, leading to potential compromise of user sessions. While the attack complexity is low and no authentication is required, it necessitates user interaction (UI:R) and has a limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.3.15.1CPE matchmatch criteria
cpe:2.3:o:seagate:nas_os:4.3.15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.80%
Probability of exploitation in next 30 days
EPSS Percentile
52.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0080 is in the 61st percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

blog.securityevaluators.com / invading-your-personal-cloud-ise-labs-exploits-the-seagate-stcr3000101-ecf89de2170
Third Party Advisory