CVE-2017-9577
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first...
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first-citizens-bank-mobile-banking/id566037101 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.9
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first-citizens-bank-mobile-banking/id566037101 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
CVE-2017-9577- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first-citizens-bank-mobile-banking/id566037101 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
CVE-2017-9577- Updated
- 2026-11-02
EUVDEUVD-2017-18508 No score
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first-citizens-bank-mobile-banking/id566037101 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
EUVD-2017-18508- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8jq4-569v-m5w2
5.9
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first...
The "First Citizens Bank-Mobile Banking" by First Citizens Bank (AL) app 3.0.0 -- aka first-citizens-bank-mobile-banking/id566037101 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.
- Record
GHSA-8jq4-569v-m5w2- CVSS 3.0
- 5.9 Medium
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-9577 is a medium vulnerability (CVSS 5.9) in Fcbl First Citizens Bank-mobile, published June 16, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 41st percentile. No source names a fixed version.
References
medium.com/%40chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5
nvd.nist.gov/vuln/detail/CVE-2017-9577
medium.com/@chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5
github.com/advisories/GHSA-8jq4-569v-m5w2