How severe is CVE-2017-11365?

CVE-2017-11365 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11365?

CVE-2017-11365 primarily affects Sensiolabs Symfony. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11365?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-11365 published?

CVE-2017-11365 was published on 2019-05-23 and last updated on 2026-06-17.

CVE-2017-11365

CVE-2017-11365 is a critical-severity vulnerability in Sensiolabs Symfony with a CVSS 3.x base score of 9.8. 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-284.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Sensiolabs Symfony
Published: 2019-05-23
Last modified: 2026-06-17

Description

Certain Symfony products are affected by: Incorrect Access Control. This affects Symfony 2.7.30 and Symfony 2.8.23 and Symfony 3.2.10 and Symfony 3.3.3. The type of exploitation is: remote. The component is: Password validator.

Frequently asked questions

What is CVE-2017-11365?: Certain Symfony products are affected by: Incorrect Access Control. This affects Symfony 2.7.30 and Symfony 2.8.23 and Symfony 3.2.10 and Symfony 3.3.3. The type of exploitation is: remote. The component is: Password validator.
How severe is CVE-2017-11365?: CVE-2017-11365 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11365?: CVE-2017-11365 primarily affects Sensiolabs Symfony. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-11365 published?: CVE-2017-11365 was published on 2019-05-23 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:sensiolabs:symfony:2.7.30:*:*:*:*:*:*:*
cpe:2.3:a:sensiolabs:symfony:2.8.23:*:*:*:*:*:*:*
cpe:2.3:a:sensiolabs:symfony:3.2.10:*:*:*:*:*:*:*
cpe:2.3:a:sensiolabs:symfony:3.3.3:*:*:*:*:*:*:*

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