CVE-2017-9571 describes a critical vulnerability in the Citizens Community Bank (TN) ccb-mobile-banking iOS app (version 3.0.1) where the application fails to properly validate X.509 certificates from SSL servers. This oversight enables man-in-the-middle (MitM) attackers to impersonate legitimate servers using crafted certificates, thereby intercepting and potentially exfiltrating sensitive user information. The vulnerability carries a CVSS v3.0 score of 5.9 (Medium), indicating a network-based attack with high impact on confidentiality, but requiring a high attack complexity. While the potential for sensitive data exposure is significant, the absence of authentication or user interaction requirements for the attack is notable. Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting a low level of public awareness or attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.0.1CPE matchmatch criteria | cpe:2.3:a:ccbank:ccb_mobile_banking:3.0.1:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
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.
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 records are not available for this CVE.