CVE-2019-19739

CVE-2019-19739 is a high-severity vulnerability in Mfscripts Yetishare with a CVSS 3.x base score of 7.5. 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-311.

Key facts

Description

MFScripts YetiShare 3.5.2 through 4.5.3 does not set the Secure flag on session cookies, allowing the cookie to be sent over cleartext channels.

Frequently asked questions

What is CVE-2019-19739?
MFScripts YetiShare 3.5.2 through 4.5.3 does not set the Secure flag on session cookies, allowing the cookie to be sent over cleartext channels.
How severe is CVE-2019-19739?
CVE-2019-19739 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-19739 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19739?
CVE-2019-19739 affects Mfscripts Yetishare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-19739?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-19739 published?
CVE-2019-19739 was published on 2019-12-30 and last updated on 2026-06-17.

References

Affected products (1)

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