Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
19.80% probability of exploitation activity in the next 30 days.
EPSS percentile
Ranks above 97.2% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
SCHEMA: 5.1
Published
2018-08-14 13:00Z8 YR AGO
Last updated
2024-09-16 19:47Z1 YR AGO
Reserved
2016-05-24
Assigning CNA
apache
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')Base
CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')Variant
Apache Software FoundationApache HTTP ServerFixed 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)—