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| Vulnerability ID | VCID-1cpt-rd7f-8qhk |
| Aliases |
CVE-2016-4975
|
| Summary | Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 4.8 |
| Risk | 2.4 |
| Affected and Fixed Packages | Package Details |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 3.7 | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2016-4975.json |
| epss | 0.73272 | https://api.first.org/data/v1/epss?cve=CVE-2016-4975 |
| epss | 0.73272 | https://api.first.org/data/v1/epss?cve=CVE-2016-4975 |
| cvssv3 | 3.9 | https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml |
| apache_httpd | moderate | https://httpd.apache.org/security/json/CVE-2016-4975.json |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.98815 |
| EPSS Score | 0.73272 |
| Published At | June 4, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-06-02T04:53:44.609220+00:00 | Apache HTTPD Importer | Import | https://httpd.apache.org/security/json/CVE-2016-4975.json | 38.6.0 |