How severe is CVE-2013-2642?

CVE-2013-2642 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-2642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2642?

CVE-2013-2642 primarily affects Sophos Web Appliance Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2642?

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-2013-2642 published?

CVE-2013-2642 was published on 2014-03-18 and last updated on 2026-06-16.

CVE-2013-2642

CVE-2013-2642 is a critical-severity vulnerability in Sophos Web Appliance Firmware with a CVSS 2.0 base score of 9.3. 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-78.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Sophos Web Appliance Firmware
Published: 2014-03-18
Last modified: 2026-06-16

Description

Sophos Web Appliance before 3.7.8.2 allows (1) remote attackers to execute arbitrary commands via shell metacharacters in the client-ip parameter to the Block page, when using the user_workstation variable in a customized template, and remote authenticated users to execute arbitrary commands via shell metacharacters in the (2) url parameter to the Diagnostic Tools functionality or (3) entries parameter to the Local Site List functionality.

Frequently asked questions

What is CVE-2013-2642?: Sophos Web Appliance before 3.7.8.2 allows (1) remote attackers to execute arbitrary commands via shell metacharacters in the client-ip parameter to the Block page, when using the user_workstation variable in a customized template, and remote authenticated users to execute arbitrary commands via shell metacharacters in the (2) url parameter to the Diagnostic Tools functionality or (3) entries parameter to the Local Site List functionality.
How severe is CVE-2013-2642?: CVE-2013-2642 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-2642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2642?: CVE-2013-2642 primarily affects Sophos Web Appliance Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2642?: 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-2013-2642 published?: CVE-2013-2642 was published on 2014-03-18 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:sophos:web_appliance_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:sophos:web_appliance:-:*:*:*:*:*:*:*

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CVE-2013-4983 — Critical (CVSS 10.0): The get_referers function in /opt/ws/bin/sblistpack in Sophos Web Appliance before 3.7.9.1 and 3.8 before 3.8.1.1…
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