How severe is CVE-2017-11562?

CVE-2017-11562 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11562 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11562?

CVE-2017-11562 affects Mt4 Senhasegura. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-11562?

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-2017-11562 published?

CVE-2017-11562 was published on 2017-12-19 and last updated on 2026-06-17.

CVE-2017-11562

CVE-2017-11562 is a high-severity vulnerability in Mt4 Senhasegura with a CVSS 3.x base score of 8.8. 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-384.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Mt4 Senhasegura
Published: 2017-12-19
Last modified: 2026-06-17

Description

A Session Fixation Vulnerability exists in the MT4 Networks SenhaSegura Web Application 2.2.23.8 via login_if.php.

Frequently asked questions

What is CVE-2017-11562?: A Session Fixation Vulnerability exists in the MT4 Networks SenhaSegura Web Application 2.2.23.8 via login_if.php.
How severe is CVE-2017-11562?: CVE-2017-11562 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11562 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11562?: CVE-2017-11562 affects Mt4 Senhasegura. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-11562?: 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-2017-11562 published?: CVE-2017-11562 was published on 2017-12-19 and last updated on 2026-06-17.

References

https://pastebin.com/ajKErVTP

Affected products (1)

cpe:2.3:a:mt4:senhasegura:2.2.23.8:*:*:*:*:*:*:*

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