OCS Inventory 2.4.1 lacks a proper XML parsing configuration, allowing the use of external entities.

published 2018-08-03 8y ago modified 2026-06-17 4mo ago also EUVD-2018-6390

cvss: 9.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 3.1%; EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits: 0; none known

OCS Inventory 2.4.1 lacks a proper XML parsing configuration, allowing the use of external entities. This issue can be exploited by an attacker sending a crafted HTTP request in order to exfiltrate information or cause a Denial of Service.

Patch / fix

distros 1

ocsinventory-server Debian 12 2.5+dfsg-1

debian advisories DEBIAN-CVE-2018-14473

Is CVE-2018-14473 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

3.07% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

tarlogic.com https://www.tarlogic.com/en/blog/vulnerabilities-in-ocs-inventory-2-4-1/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	9.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:N/A:P

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

tarlogic.com /en/blog/vulnerabilities-in-ocs-inventory-2-4-1/
exploit, third-party-advisory

Sources

CVE List CVE-2018-14473
NVD CVE-2018-14473

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.