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.

Published: 2009-05-22 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2009-1769 is rated Moderate Risk (46.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.56%). EPSS rose +1.01% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2009-1769

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.55% 1.56% +1.01%
2 2025-03-30 1.03% 0.55% -0.48%
3 2025-03-29 — 1.03% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1769

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2009-1769

OS Trackers for CVE-2009-1769

vendor priority summary link
debian unimportant CVE-2009-1769 unimportant priority: Debian including 1 source packages (ocsinventory-server), 3 status rows across 3 suites (bookworm, bullseye, sid): resolved 3. https://security-tracker.debian.org/tracker/CVE-2009-1769
redhat low — https://access.redhat.com/security/cve/CVE-2009-1769
ubuntu low CVE-2009-1769 low priority: Ubuntu including 1 source packages (ocsinventory-server), 10 status rows across 10 suites (dapper, hardy, intrepid, jaunty, karmic, lucid, maverick, natty, oneiric, upstream): ignored 4, not-affected 4, DNE 1, released 1. https://ubuntu.com/security/CVE-2009-1769

Affected software / configurations for CVE-2009-1769

Vendor Product Version Raw CPE
ocsinventory-ng ocs_inventory_ng 1.01 cpe:2.3:a:ocsinventory-ng:ocs_inventory_ng:1.01:*:*:*:*:*:*:*

References for CVE-2009-1769

cvelogic Threat Intelligence