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CVE-2013-4983

86
FAUCET Score

CVE-2013-4983 is a critical command injection vulnerability affecting Sophos Web Appliance versions prior to 3.7.9.1 and 3.8.1.1. It allows unauthenticated remote attackers to execute arbitrary commands on the appliance by injecting shell metacharacters into the domain parameter of the end-user/index.php script. With a CVSS score of 10.0, this vulnerability presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, exploit modules are publicly available in Metasploit and ExploitDB, indicating a high likelihood of exploitation. Despite its severity and exploit availability, there is no recorded community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.7.8CPE matchmatch criteria
cpe:2.3:a:sophos:web_appliance_firmware:3.7.8:*:*:*:*:*:*:*
<= 3.7.9CPE matchmatch criteria
cpe:2.3:o:sophos:web_appliance_firmware:*:*:*:*:*:*:*:*
3.0.0CPE matchmatch criteria
cpe:2.3:o:sophos:web_appliance_firmware:3.0.0:*:*:*:*:*:*:*
3.0.1CPE matchmatch criteria
cpe:2.3:o:sophos:web_appliance_firmware:3.0.1:*:*:*:*:*:*:*
3.0.1.1CPE matchmatch criteria
cpe:2.3:o:sophos:web_appliance_firmware:3.0.1.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
90.13%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Sophos Web Protection Appliance sblistpack Arbitrary Command Execution · Sep 6, 2013
ExploitDB: EDB-28334 · Sep 17, 2013
This CVE's current EPSS score of 0.9013 is in the 100th percentile among its peer group of 51,466 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

coresecurity.com / advisories/sophos-web-protection-appliance-multiple-vulnerabilities
Exploit
sophos.com / en-us/support/knowledgebase/119773.aspx
Vendor Advisory