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, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate

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MEDIUM

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

Published Oct 5, 2016

5.4

MEDIUM

CVSS 3.0

EPSS 0.29%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.29% 0.00295

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00295

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.29% (0.00295)	20.00th	v5 (v2026.06.15)
Jun 15, 2026	0.29% (0.00295)	20.92th	v5 (v2026.06.15)
Mar 17, 2025	0.04% (0.00044)	10.76th	v4 (v2025.03.14)
Dec 12, 2024	0.05% (0.00047)	19.20th	v3 (v2023.03.01)
May 7, 2024	0.05% (0.00047)	16.20th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00047)	14.17th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-310

References (2)

http://www.kb.cert.org/vuls/id/338624
third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/93259
vdb-entryx_refsource_BID

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/338624		third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/93259		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner certcc

Published Oct 5, 2016

Updated Aug 6, 2024

Reserved Aug 3, 2016

Link CVE-2016-6550

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2016-6550

Red Hat

Severity n/a

Public date n/a

Links CVE-2016-6550