Is CVE-2018-19052 being actively exploited?

CVE-2018-19052 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2018-19052?

CVE-2018-19052 has a CVSS 3.1 base score of 7.5 (HIGH).

CVE-2018-19052

HIGH · CVSS 7.5EPSS 13.7%EU EUVD

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.

Key facts

CVSS score: 7.5 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-22
EPSS score: 13.7% (96th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2018-10769)
Published: November 7, 2018
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2018-10769 in the EU Vulnerability Database. Last updated in EUVD on August 5, 2024.

View on the EU Vulnerability Database

Affected products

debian / debian linux
lighttpd / lighttpd
opensuse / backports sle
opensuse / backports sle
opensuse / leap
opensuse / leap
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise server
suse / suse linux enterprise server

Certified products that may be affected

4 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

SUSE Linux Enterprise Server 12 SP2 - NSS Cryptographic Module - SUSE, LLC - FIPS 140 3216 - historical
SUSE Linux Enterprise Server Version 12 - SUSE LLC - Common Criteria BSI-DSZ-CC-0962-2016 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 on IBM System z - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0852-2013 - archived
SUSE Linux Enterprise Server 11 Service Pack 2 including KVM virtualization - SUSE Linux Products Gmbh - Common Criteria BSI-DSZ-CC-0787-2013 - archived

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00054.html(Mailing List, Third Party Advisory)
https://github.com/lighttpd/lighttpd1.4/commit/2105dae0f9d7a964375ce681e53cb165375f84c1(Exploit, Vendor Advisory)
https://lists.debian.org/debian-lts-announce/2022/01/msg00012.html(Mailing List, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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