How severe is CVE-2017-9598?

CVE-2017-9598 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-9598 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-9598?

CVE-2017-9598 affects Meafinancial Morton Credit Union Mobile Banking. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-9598?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-9598 published?

CVE-2017-9598 was published on 2017-06-16 and last updated on 2026-06-17.

CVE-2017-9598

CVE-2017-9598 is a medium-severity vulnerability in Meafinancial Morton Credit Union Mobile Banking with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Meafinancial Morton Credit Union Mobile Banking
Published: 2017-06-16
Last modified: 2026-06-17

Description

The "Morton Credit Union Mobile Banking" by Morton Credit Union app 3.0.1 -- aka morton-credit-union-mobile-banking/id1119623070 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.

Frequently asked questions

What is CVE-2017-9598?: The "Morton Credit Union Mobile Banking" by Morton Credit Union app 3.0.1 -- aka morton-credit-union-mobile-banking/id1119623070 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.
How severe is CVE-2017-9598?: CVE-2017-9598 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-9598 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-9598?: CVE-2017-9598 affects Meafinancial Morton Credit Union Mobile Banking. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-9598?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-9598 published?: CVE-2017-9598 was published on 2017-06-16 and last updated on 2026-06-17.

References

https://medium.com/%40chronic_9612/advisory-44-credit-union-apps-for-ios-may-allow-login-credential-exposure-4d2f380b85c5

Affected products (1)

cpe:2.3:a:meafinancial:morton_credit_union_mobile_banking:3.0.1:*:*:*:*:iphone_os:*:*

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