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CVE-2013-4983· NVD / CVE Program· CNA mitre

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 allows remote attackers to

Noroxi assessment

Priority: This week (action score 67/100)

  • A ready-made attack module is public (Metasploit); exploiting it takes no special expertise.
  • Probability of exploitation in the next 30 days: 90.1% (FIRST EPSS); higher than 99.7% of all records.
  • No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.

Don’t wait for the next maintenance window. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

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 allows remote attackers to execute arbitrary commands via shell metacharacters in the domain parameter to end-user/index.php.

CriticalCVSS 10.0 · v2.0—Weaponized No fix recorded
Published
Sep 10, 2013
Updated
Jun 16, 2026
EPSS
90.1% · 100th percentile

Report tools

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Action score

67

This week

Don’t wait for the next maintenance window.

CVSS
40 / 40 · 10.0 / 10
CISA KEV
0 / 30 · Not listed
EPSS
27 / 30 · 90.1%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • Weaponized exploit exists
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
sophosweb appliance firmware
sophosweb appliance

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • sophos web appliance firmwareup to 3.7.9 inclusive
  • sophos web appliance firmware3.0.0
  • sophos web appliance firmware3.0.1
  • sophos web appliance firmware3.0.1.1
  • sophos web appliance firmware3.0.2
  • sophos web appliance firmware3.0.3
  • sophos web appliance firmware3.0.4
  • sophos web appliance firmware3.0.5
  • sophos web appliance firmware3.0.5.1
  • sophos web appliance firmware3.1.0
  • sophos web appliance firmware3.1.0.1
  • sophos web appliance firmware3.1.1
  • sophos web appliance firmware3.1.2
  • sophos web appliance firmware3.1.3
  • sophos web appliance firmware3.1.4
  • sophos web appliance firmware3.2.1
  • sophos web appliance firmware3.2.2
  • sophos web appliance firmware3.2.2.1
  • sophos web appliance firmware3.2.3
  • sophos web appliance firmware3.2.4

Same product

sophos: all records

Other highest-scoring records for the same primary product.

  • CVE-2014-2849The Change Password dialog box (change_password) in Sophos Web Appliance before 3.8.2 allows remote authenticated users to change the admin
    52Plan
  • CVE-2014-2850The network interface configuration page (netinterface) in Sophos Web Appliance before 3.8.2 allows remote administrators to execute arbitra
    51Plan
  • CVE-2013-2641Directory traversal vulnerability in patience.cgi in Sophos Web Appliance before 3.7.8.2 allows remote attackers to read arbitrary files via
    41Plan
  • CVE-2013-2642Sophos Web Appliance before 3.7.8.2 allows (1) remote attackers to execute arbitrary commands via shell metacharacters in the client-ip para
    39Monitor
  • CVE-2013-2643Multiple cross-site scripting (XSS) vulnerabilities in Sophos Web Appliance before 3.7.8.2 allow remote attackers to inject arbitrary web sc
    18Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1
  • Exploit-DB entry ×2

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entryremote2013-09-17
Exploit-DB entrywebapps2013-09-09
Metasploit moduleexploit/linux/http/sophos_wpa_sblistpack_execSophos Web Protection Appliance sblistpack Arbitrary Command Executionexploit2013-09-06

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-4 d
  2. First PoC-1 d
  3. Published
  4. TodayOct 13, 2026+4781 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
C · data can be read
Integrity
C · data or configuration can be modified
Availability
C · the service can be disrupted
Attack complexity
Low
Confidentiality impact
C
Integrity impact
C
Availability impact
C

Weakness class (CWE)

CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

nvd-primary

Root cause

User input is inserted as text into a shell command. The shell may interpret special characters in the input as part of the command.

The bug in code

The whole CWE-78 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
const host = req.body.host;exec("ping -c 1 " + host, onResult);

Fixed

ts
const host = req.body.host;if (!/^[a-z0-9.-]{1,253}$/i.test(host)) return res.sendStatus(400);execFile("ping", ["-c", "1", host], onResult);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records