synced 14 MIN AGO
01 Record

CVE-2018-12537

In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow

UnratedPUBLISHEDCNA: eclipse
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

In Eclipse Vert.x version 3.0 to 3.5.1, the HttpServer response headers and HttpClient request headers do not filter carriage return and line feed characters from the header value. This allow

03 Exploitation and scoring

Exploitation
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
2.48% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 84.4% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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

Published
2018-08-14 19:00Z8 YR AGO
Last updated
2024-08-05 08:38Z2 YR AGO
Reserved
2018-06-18
Assigning CNA
eclipse
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-20Improper Input ValidationClass
  • CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')Variant
Data version
5.1
Document digest
8756978b9ba57dc457c9b976b7c4422dfce5dd98f66d3c9a9b825b1d049bf61d

05 Affected products

VendorProductVersionsPlatforms
The Eclipse FoundationEclipse Vert.x3.0 to < unspecified, <= 3.5.1—

06 References