CVE-2016-4975
6.1
MEDIUM
CVSS 3.1
EPSS 59.6%
Description
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. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).
How to fix CVE-2016-4975
To remediate CVE-2016-4975, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.25-1 or later
Is CVE-2016-4975 being exploited?
Likely — EPSS is 59.6%, placing CVE-2016-4975 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 2.4.25-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |