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Vulnerability details: VCID-drg5-qbqt-ckew
Vulnerability ID VCID-drg5-qbqt-ckew
Aliases CVE-2018-19052
Summary An issue was discovered in mod_alias_physical_handler in mod_alias.c in lighttpd before 1.4.50. There is potential ../ path traversal of a single directory above an alias target, with a specific mod_alias configuration where the matched alias lacks a trailing '/' character, but the alias target filesystem path does have a trailing '/' character.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
System Score Found at
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.29558 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.30295 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.30295 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.30295 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
epss 0.30295 https://api.first.org/data/v1/epss?cve=CVE-2018-19052
cvssv3 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-19052
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-19052
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html
https://api.first.org/data/v1/epss?cve=CVE-2018-19052
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19052
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1
https://lists.debian.org/debian-lts-announce/2022/01/msg00012.html
913528 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913528
cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:lighttpd:lighttpd:*:*:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:opensuse:backports_sle:15.0:-:*:*:*:*:*:*
cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
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:opensuse:leap:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:12:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp1:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp3:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:suse:suse_linux_enterprise_server:12:sp4:*:*:*:*:*:*
CVE-2018-19052 https://nvd.nist.gov/vuln/detail/CVE-2018-19052
USN-USN-4775-1 https://usn.ubuntu.com/USN-4775-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N 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:L/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-19052
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:3.1/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-2018-19052
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 0.96429
EPSS Score 0.29558
Published At Aug. 12, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:37:26.139700+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/USN-4775-1/ 37.0.0