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Vulnerability details: VCID-pwwm-mutd-kufn
Vulnerability ID VCID-pwwm-mutd-kufn
Aliases CVE-2018-1301
Summary A specially crafted request could have crashed the Apache HTTP Server prior to version 2.4.33, due to an out of bound access after a size limit is reached by reading the HTTP header. This vulnerability is considered very hard if not impossible to trigger in non-debug mode (both log and build level), so it is classified as low risk for common server usage.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-125 Out-of-bounds Read
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
System Score Found at
cvssv3 3.7 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1301.json
epss 0.0109 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.0109 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.0109 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.04155 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
epss 0.05204 https://api.first.org/data/v1/epss?cve=CVE-2018-1301
cvssv3 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2018-1301.json
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-1301
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2018-1301
archlinux Medium https://security.archlinux.org/AVG-664
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:3558
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1301.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1301
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15710
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15715
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1283
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1301
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1303
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1312
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r6521a7f62276340eabdb3339b2aa9a38c5f59d978497a1f794af53be%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/05/msg00020.html
https://security.netapp.com/advisory/ntap-20180601-0004/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us
https://www.debian.org/security/2018/dsa-4164
https://www.tenable.com/security/tns-2019-09
http://www.openwall.com/lists/oss-security/2018/03/24/2
http://www.securityfocus.com/bid/103515
http://www.securitytracker.com/id/1040573
1560643 https://bugzilla.redhat.com/show_bug.cgi?id=1560643
ASA-201804-4 https://security.archlinux.org/ASA-201804-4
AVG-664 https://security.archlinux.org/AVG-664
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
CVE-2018-1301 https://httpd.apache.org/security/json/CVE-2018-1301.json
CVE-2018-1301 https://nvd.nist.gov/vuln/detail/CVE-2018-1301
RHSA-2019:0366 https://access.redhat.com/errata/RHSA-2019:0366
RHSA-2019:0367 https://access.redhat.com/errata/RHSA-2019:0367
RHSA-2020:1121 https://access.redhat.com/errata/RHSA-2020:1121
USN-3627-1 https://usn.ubuntu.com/3627-1/
USN-3627-2 https://usn.ubuntu.com/3627-2/
USN-3937-2 https://usn.ubuntu.com/3937-2/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1301.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
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1301
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:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1301
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 0.77101
EPSS Score 0.0109
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:04.911062+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2018-1301.json 37.0.0