CVE-2017-9590: The "State Bank of Waterloo Mobile Banking" by State Bank of Waterloo app 3.0.2 -- aka state-bank-of-waterloo-

Routine

MEDIUM 5.9REMOTEDOWNGRADE

CVE-2017-9590 is a medium-severity flaw (CVSS 5.9) affecting state bank of waterloo mobile banking. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The "State Bank of Waterloo Mobile Banking" by State Bank of Waterloo app 3.0.2 -- aka state-bank-of-waterloo-mobile-banking/id555321714 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.

Why this priority

Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 58%)
CISA exploited list	No
Weakness	CWE-295
Published	2017-06-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sbw

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2017-06-16 12:29 UTCPublished CVE record published
2026-06-17 01:28 UTCUpdated Record last modified

sbw state bank of waterloo mobile banking DOWNGRADE

Affected: 3.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.2

1. Check installed version

apt-cache policy state-bank-of-waterloo-mobile-banking || rpm -q state-bank-of-waterloo-mobile-banking || state-bank-of-waterloo-mobile-banking --version

2. No fixed release: DOWNGRADE to a release before 3.0.2 (Debian / Ubuntu)

apt-cache madison state-bank-of-waterloo-mobile-banking sudo apt install state-bank-of-waterloo-mobile-banking=<VERSION_BEFORE_3.0.2> sudo apt-mark hold state-bank-of-waterloo-mobile-banking

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list state-bank-of-waterloo-mobile-banking sudo dnf downgrade state-bank-of-waterloo-mobile-banking-<VERSION_BEFORE_3.0.2> sudo dnf versionlock add state-bank-of-waterloo-mobile-banking

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
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-2017-9590?

state bank of waterloo mobile banking: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-9590 being exploited?

CVE-2017-9590 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-2017-9590 affect?

CVE-2017-9590 affects state bank of waterloo mobile banking. Severity is medium (CVSS 5.9). The "State Bank of Waterloo Mobile Banking" by State Bank of Waterloo app 3.0.2 -- aka state-bank-of-waterloo-mobile-banking/id555321714 for iOS does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers t

How urgent is CVE-2017-9590?

Priority 36/100. Remotely exploitable, no login, no user action

Software pages

iOS vulnerabilities

References

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