SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2009-1769

The web interface in Open Computer and Software Inventory Next Generation (OCS Inventory NG) 1.01 generates different error messages depending on whether a username is valid, which allows remote attackers to enumerate valid usernames.

MEDIUM 5.0EPSS 1.56%

Does this matter?

Lower severity and a low EPSS score (1.56%). Track it; it rarely justifies an emergency change on its own.

Description

The web interface in Open Computer and Software Inventory Next Generation (OCS Inventory NG) 1.01 generates different error messages depending on whether a username is valid, which allows remote attackers to enumerate valid usernames.

CVSS 2.0
5.0 MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS
1.56% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-200
Affected
ocsinventory-ng/ocs inventory ng
Source
cve@mitre.org
EPSS trend
0%3%5%26 October 2026: 1.56%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.