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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 67.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
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 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 67.72% probability · 99th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 19 November 2013
- CISA KEV
- Not listed
- Weakness
- CWE-116
- Affected
- f5/nginx · suse/lifecycle management server · suse/studio onsite · suse/webyast · opensuse/opensuse
- Source
- secalert@redhat.com
EPSS 67.7% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.htmlMitigation, Vendor Advisory
- http://secunia.com/advisories/55757Third Party Advisory
- http://secunia.com/advisories/55822Third Party Advisory
- http://secunia.com/advisories/55825Third Party Advisory
- http://www.debian.org/security/2012/dsa-2802Broken Link
- http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.htmlMailing List, Third Party Advisory
- http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.htmlMitigation, Vendor Advisory
- http://secunia.com/advisories/55757Third Party Advisory
- http://secunia.com/advisories/55822Third Party Advisory
- http://secunia.com/advisories/55825Third Party Advisory
- http://www.debian.org/security/2012/dsa-2802Broken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.