How severe is CVE-2018-0591?

CVE-2018-0591 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-2018-0591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0591?

CVE-2018-0591 primarily affects T-joy Kinepass. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0591?

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

When was CVE-2018-0591 published?

CVE-2018-0591 was published on 2018-05-14 and last updated on 2026-06-17.

CVE-2018-0591

CVE-2018-0591 is a medium-severity vulnerability in T-joy Kinepass 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: T-joy Kinepass
Published: 2018-05-14
Last modified: 2026-06-17

Description

The KINEPASS App for Android Ver 3.1.1 and earlier, and for iOS Ver 3.1.2 and earlier do 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-2018-0591?: The KINEPASS App for Android Ver 3.1.1 and earlier, and for iOS Ver 3.1.2 and earlier do 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-2018-0591?: CVE-2018-0591 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-2018-0591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0591?: CVE-2018-0591 primarily affects T-joy Kinepass. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-0591 published?: CVE-2018-0591 was published on 2018-05-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:t-joy:kinepass:*:*:*:*:*:android:*:*
cpe:2.3:a:t-joy:kinepass:*:*:*:*:*:iphone_os:*:*

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