$ cve CVE-2013-4547 JSON

CVE-2013-4547 EXPLOIT

7.5

HIGH · CVSS 2.0 · EPSS 67.7% (pctl 99)

Patch early

A public exploit exists.

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.

CVSS	7.5 (HIGH, v2.0)
Vector	AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS	67.72% — more likely to be exploited than 99% of all CVEs
Weakness	CWE-116
On CISA KEV	no
Public exploit	yes
Published	2013-11-23
Last modified	2026-06-16

Vendor	Product
f5	nginx
opensuse	opensuse
suse	lifecycle management server
suse	studio onsite
suse	webyast

Source	Title	Date
exploit-db	Nginx 1.1.17 - URI Processing SecURIty Bypass	2013-11-19