Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-8939

20
FAUCET Score

CVE-2017-8939 describes a critical vulnerability in the Warner Bros. ellentube app for iOS (versions 3.1.1 through 3.1.3) where the application fails to properly validate X.509 certificates. This flaw allows remote attackers to conduct man-in-the-middle (MitM) attacks, spoofing legitimate SSL servers to intercept and potentially exfiltrate sensitive user information. Rated with a CVSS score of 5.9 (Medium), the vulnerability has a high confidentiality impact and low attack complexity, although it requires specific conditions for successful exploitation. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.1.1CPE matchmatch criteria
cpe:2.3:a:warnerbros:ellentube:3.1.1:*:*:*:*:iphone_os:*:*
3.1.2CPE matchmatch criteria
cpe:2.3:a:warnerbros:ellentube:3.1.2:*:*:*:*:iphone_os:*:*
3.1.3CPE matchmatch criteria
cpe:2.3:a:warnerbros:ellentube:3.1.3:*:*:*:*:iphone_os:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.60%
Probability of exploitation in next 30 days
EPSS Percentile
45.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0060 is in the 8th percentile among its peer group of 19,954 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

medium.com / %40chronic_9612/follow-up-76-popular-apps-confirmed-vulnerable-to-silent-interception-of-tls-protected-data-64185035029f