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Vulnerability details: VCID-uwqf-x396-5uas
Vulnerability ID VCID-uwqf-x396-5uas
Aliases CVE-2018-11783
Summary sslheaders plugin extracts information from the client certificate and sets headers in the request based on the configuration of the plugin. The plugin doesn't strip the headers from the request in some scenarios. This problem was discovered in versions 6.0.0 to 6.0.3, 7.0.0 to 7.1.5, and 8.0.0 to 8.0.1.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
System Score Found at
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
epss 0.00731 https://api.first.org/data/v1/epss?cve=CVE-2018-11783
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-11783
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-11783
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-11783
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-11783
https://lists.apache.org/thread.html/4f102f943935476732fb1fb653d687c7b69d29d9792f0d6cf72c505e%40%3Cannounce.trafficserver.apache.org%3E
http://www.securityfocus.com/bid/107032
cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
CVE-2018-11783 https://nvd.nist.gov/vuln/detail/CVE-2018-11783
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-11783
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-11783
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
Exploit Prediction Scoring System (EPSS)
Percentile 0.71797
EPSS Score 0.00731
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T12:01:37.700464+00:00 EPSS Importer Import https://epss.cyentia.com/epss_scores-current.csv.gz 37.0.0