Vulnerability Monitor

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CVE-2013-4547

nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers to bypass intended restrictions via an unescaped space character in a URI.

Security Impact Summary

CVE-2013-4547 is a security vulnerability that . Impacting 5 products from f5, from suse, from suse and 2 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2013, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2013-11-23T18:55:04.687

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-116

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f5	nginx	< 1.4.4	Yes
Application	f5	nginx	≤ 1.5.6	Yes
Application	suse	lifecycle_management_server	1.3	Yes
Application	suse	studio_onsite	1.3	Yes
Application	suse	webyast	1.3	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	opensuse	opensuse	12.2	Yes
Operating System	opensuse	opensuse	12.3	Yes
Operating System	opensuse	opensuse	13.1	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html Mailing List, Third Party Advisory ([email protected])
http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html Mitigation, Vendor Advisory ([email protected])
http://secunia.com/advisories/55757 Third Party Advisory ([email protected])
http://secunia.com/advisories/55822 Third Party Advisory ([email protected])
http://secunia.com/advisories/55825 Third Party Advisory ([email protected])
http://www.debian.org/security/2012/dsa-2802 Broken Link ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html Mitigation, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55757 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55822 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/55825 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2012/dsa-2802 Broken Link (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For f5's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.