The close_connections function in /opt/cma/bin/clear_keys.pl in Sophos Web Appliance before 3.7.9.1 and 3.8 before 3.8.1.1 allows local users to gain privileges via shell metacharacters in the second argument.
CVE-2013-4984
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 94.2%
- KEV
- Not listed
Published
September 10, 2013
Last Modified
April 29, 2026
References (4)
- cve@mitrehttp://www.coresecurity.com/advisories/sophos-web-protection-appliance-multiple-vulnerabilities
- cve@mitrehttp://www.sophos.com/en-us/support/knowledgebase/119773.aspx
- af854a3a-2127-422b-91ae-364da2661108http://www.coresecurity.com/advisories/sophos-web-protection-appliance-multiple-vulnerabilities
- af854a3a-2127-422b-91ae-364da2661108http://www.sophos.com/en-us/support/knowledgebase/119773.aspx
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-07 13:41 UTCEPSS rescore
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- 2026-06-18 17:49 UTCEPSS rescore
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- 2026-05-29 13:41 UTCEPSS rescore
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- 2026-05-28 22:35 UTCEG score recompute
- 2026-05-28 22:35 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
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- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(3 references)Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-28332✓ verifiedFirst seen Sep 17, 2013
Sophos Web Protection Appliance - clear_keys.pl Privilege Escalation (Metasploit)
Open source ↗ - Exploit-DBEDB-28175✓ verifiedFirst seen Sep 9, 2013
Sophos Web Protection Appliance - Multiple Vulnerabilities
Open source ↗ - Metasploitexploit/linux/local/sophos_wpa_clear_keys✓ verifiedFirst seen Sep 6, 2013
Sophos Web Protection Appliance clear_keys.pl Local Privilege Escalation
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-78
Frequently asked(4)
What is CVE-2013-4984?
When was CVE-2013-4984 disclosed?
Is CVE-2013-4984 actively exploited?
How do I remediate CVE-2013-4984?
Dependency Blast Radius
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