How severe is CVE-2019-6702?

CVE-2019-6702 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-2019-6702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-6702?

CVE-2019-6702 affects Mastercard Qkr! With Masterpass. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-6702?

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

When was CVE-2019-6702 published?

CVE-2019-6702 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2019-6702

CVE-2019-6702 is a medium-severity vulnerability in Mastercard Qkr! With Masterpass 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Mastercard Qkr! With Masterpass
Published: 2019-03-21
Last modified: 2026-06-17

Description

The MasterCard Qkr! app before 5.0.8 for iOS has Missing SSL Certificate Validation. NOTE: this CVE only applies to obsolete versions from 2016 or earlier.

Frequently asked questions

What is CVE-2019-6702?: The MasterCard Qkr! app before 5.0.8 for iOS has Missing SSL Certificate Validation. NOTE: this CVE only applies to obsolete versions from 2016 or earlier.
How severe is CVE-2019-6702?: CVE-2019-6702 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-2019-6702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6702?: CVE-2019-6702 affects Mastercard Qkr! With Masterpass. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-6702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-6702 published?: CVE-2019-6702 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mastercard:qkr\!_with_masterpass:*:*:*:*:*:iphone_os:*:*

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →