The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.
Conclusion & alert: CVE-2011-3192 is rated High Exploit Risk (80.7/100): CVSS High severity, with high exploitation likelihood (EPSS 90.46%, 100th percentile). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 18221 | exploit_db | edb | 2011-12-09 | Exploit-DB ↗ |
| 17696 | exploit_db | edb | 2011-08-19 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-05 | 90.86% | 90.46% | -0.41% |
| 2 | 2026-05-27 | 90.46% | 90.86% | +0.41% |
| 3 | 2026-03-04 | — | 90.46% | — |
Full EPSS history (55 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 2.0 | HIGH |
|
10.0 | 6.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2011-3192 not yet assigned priority: Debian including 1 source packages (apache2), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2011-3192 |
gentoo
|
high | CVE-2011-3192: 1 GLSA(s) (201206-25), 1 atom(s) (www-servers/apache); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2011-3192 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2011-3192 |
suse
|
high | CVE-2011-3192 severity important: SUSE including 99 source package names (apache2-2.2.12-1.18.1, apache2-2.2.12-1.28.1, …), 123 product×package rows across 25 product lines (SUSE Linux Enterprise High Performance Computing 12 SP5, SUSE Linux Enterprise Module for Server Applications 15, … (25 product lines)): Fixed 123. | https://www.suse.com/security/cve/CVE-2011-3192/ |
ubuntu
|
medium | CVE-2011-3192 medium priority: Ubuntu including 1 source packages (apache2), 5 status rows across 5 suites (hardy, lucid, maverick, natty, upstream): released 5. | https://ubuntu.com/security/CVE-2011-3192 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apache | http_server | >= 2.0.35, < 2.0.65 | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
| apache | http_server | >= 2.2.0, < 2.2.20 | cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* |
| opensuse | opensuse | 11.3 | cpe:2.3:o:opensuse:opensuse:11.3:*:*:*:*:*:*:* |
| opensuse | opensuse | 11.4 | cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* |
| suse | linux_enterprise_server | 10 | cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:-:*:*:* |
| suse | linux_enterprise_server | 10 | cpe:2.3:o:suse:linux_enterprise_server:10:sp3:*:*:-:*:*:* |
| suse | linux_enterprise_server | 10 | cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:-:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:-:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:* |
| suse | linux_enterprise_software_development_kit | 10 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp3:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 10 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 11 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp1:*:*:*:*:*:* |
| canonical | ubuntu_linux | 8.04 | cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 10.04 | cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 10.10 | cpe:2.3:o:canonical:ubuntu_linux:10.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 11.04 | cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:* |