CVE-2016-6550: The U by BB&T app 1.5.4 and earlier for iOS does not properly verify X.509 certificates from SSL servers, whic
CVE-2016-6550 is a medium-severity flaw (CVSS 5.4) affecting the u. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The U by BB&T app 1.5.4 and earlier for iOS does not properly 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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 78%) |
| CISA exploited list | No |
| Weakness | CWE-310 |
| Published | 2016-10-05 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2016-6550?
the u: upgrade to newer than 1.5.4. Exact commands for each OS are on this page.
Is CVE-2016-6550 being exploited?
CVE-2016-6550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2016-6550 affect?
CVE-2016-6550 affects the u. Severity is medium (CVSS 5.4). The U by BB&T app 1.5.4 and earlier for iOS does not properly 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.
How urgent is CVE-2016-6550?
Priority 24/100. No elevated risk signals yet.