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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.

    Published:Nov 23, 2013
    Last Modified:Apr 11, 2025
    EPS:Nov 23, 2013
    EPSS Score:0.93597
    CVSS Score:7.5

    Affected Products

    Vendor
    F5
    Product
    Nginx
    Vendor
    Opensuse
    Product
    Opensuse
    Vendor
    Suse
    Product
    Lifecycle Management Server
    Vendor
    Suse
    Product
    Studio Onsite
    Vendor
    Suse
    Product
    Webyast

    Exploits

    https://www.exploit-db.com/exploits/38846https://github.com/cyberharsh/Nginx-CVE-2013-4547https://github.com/rsp243/fix_nginx_CVE-2013-4547_IB

    Related CVEs

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    CVE-2024-34161 (CVSS 5.3) — When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module and the network infrastructure suppo…
    CVE-2024-32760 (CVSS 6.5) — When NGINX Plus or NGINX OSS are configured to use the HTTP/3 QUIC module, undisclosed HTTP/3 encoder instruct…
    CVE-2023-44487 (CVSS 7.5) — The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can …
    CVE-2022-41741 (CVSS 7) — NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and …
    CVE-2022-41742 (CVSS 7.1) — NGINX Open Source before versions 1.23.2 and 1.22.1, NGINX Open Source Subscription before versions R2 P1 and …
    CVE-2021-3618 (CVSS 7.4) — ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing differen…
    CVE-2021-23017 (CVSS 7.7) — A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP pack…
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    References

    http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html
    http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html
    http://secunia.com/advisories/55757
    http://secunia.com/advisories/55822
    http://secunia.com/advisories/55825
    http://www.debian.org/security/2012/dsa-2802
    http://lists.opensuse.org/opensuse-security-announce/2013-12/msg00007.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00084.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00118.html
    http://lists.opensuse.org/opensuse-updates/2013-11/msg00119.html
    http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html
    http://secunia.com/advisories/55757
    http://secunia.com/advisories/55822
    http://secunia.com/advisories/55825
    http://www.debian.org/security/2012/dsa-2802

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High