How severe is CVE-2016-6597?

CVE-2016-6597 has a CVSS 3.x base score of 8.6, 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-2016-6597 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-6597?

CVE-2016-6597 affects Sophos Mobile Control Eas Proxy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-6597?

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-2016-6597 published?

CVE-2016-6597 was published on 2016-08-10 and last updated on 2026-06-17.

CVE-2016-6597

CVE-2016-6597 is a high-severity vulnerability in Sophos Mobile Control Eas Proxy with a CVSS 3.x base score of 8.6. 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-254.

Key facts

Severity: High (CVSS 3.x base score 8.6)
CVSS v2: 5.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Sophos Mobile Control Eas Proxy
Published: 2016-08-10
Last modified: 2026-06-17

Description

Sophos EAS Proxy before 6.2.0 for Sophos Mobile Control, when Lotus Traveler is enabled, allows remote attackers to access arbitrary web-resources from the backend mail system via a request for the resource, aka an Open Reverse Proxy vulnerability.

Frequently asked questions

What is CVE-2016-6597?: Sophos EAS Proxy before 6.2.0 for Sophos Mobile Control, when Lotus Traveler is enabled, allows remote attackers to access arbitrary web-resources from the backend mail system via a request for the resource, aka an Open Reverse Proxy vulnerability.
How severe is CVE-2016-6597?: CVE-2016-6597 has a CVSS 3.x base score of 8.6, 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-2016-6597 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-6597?: CVE-2016-6597 affects Sophos Mobile Control Eas Proxy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-6597?: 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-2016-6597 published?: CVE-2016-6597 was published on 2016-08-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sophos:mobile_control_eas_proxy:*:*:*:*:*:*:*:*

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