How severe is CVE-2017-13761?

CVE-2017-13761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-13761 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-13761?

CVE-2017-13761 affects Fastly. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-13761?

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

When was CVE-2017-13761 published?

CVE-2017-13761 was published on 2017-09-14 and last updated on 2026-06-17.

CVE-2017-13761

CVE-2017-13761 is a medium-severity vulnerability in Fastly with a CVSS 3.x base score of 6.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fastly
Published: 2017-09-14
Last modified: 2026-06-17

Description

The Fastly CDN module before 1.2.26 for Magento2, when used with a third-party authentication plugin, might allow remote authenticated users to obtain sensitive information from authenticated sessions via vectors involving caching of redirect responses.

Frequently asked questions

What is CVE-2017-13761?: The Fastly CDN module before 1.2.26 for Magento2, when used with a third-party authentication plugin, might allow remote authenticated users to obtain sensitive information from authenticated sessions via vectors involving caching of redirect responses.
How severe is CVE-2017-13761?: CVE-2017-13761 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-13761 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-13761?: CVE-2017-13761 affects Fastly. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-13761?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-13761 published?: CVE-2017-13761 was published on 2017-09-14 and last updated on 2026-06-17.

References

https://www.fastly.com/security-advisories/vulnerability-fastly-open-source-cdn-module-intended-be-integrated-magento2

Affected products (1)

cpe:2.3:a:fastly:fastly:*:*:*:*:*:magento2:*:*

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