How severe is CVE-2017-6412?

CVE-2017-6412 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-6412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-6412?

CVE-2017-6412 affects Sophos Web Appliance. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-6412?

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-2017-6412 published?

CVE-2017-6412 was published on 2017-03-30 and last updated on 2026-06-17.

CVE-2017-6412

CVE-2017-6412 is a high-severity vulnerability in Sophos Web Appliance with a CVSS 3.x base score of 8.1. 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 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Sophos Web Appliance
Published: 2017-03-30
Last modified: 2026-06-17

Description

In Sophos Web Appliance (SWA) before 4.3.1.2, Session Fixation could occur, aka NSWA-1310.

Frequently asked questions

What is CVE-2017-6412?: In Sophos Web Appliance (SWA) before 4.3.1.2, Session Fixation could occur, aka NSWA-1310.
How severe is CVE-2017-6412?: CVE-2017-6412 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-6412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-6412?: CVE-2017-6412 affects Sophos Web Appliance. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-6412?: 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-2017-6412 published?: CVE-2017-6412 was published on 2017-03-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sophos:web_appliance:*:*:*:*:*:*:*:*

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