CVE-2006-0553

PostgreSQL 8.1.0 through 8.1.2 allows authenticated database users to gain additional privileges via "knowledge of the backend protocol" using a crafted SET ROLE to other database users, a different vulnerability than CVE-2006-0678.

Published: 2006-02-14 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-0553 is rated Moderate Risk (57/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.94%). EPSS rose +1.11% 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-2006-0553

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 1.84% 2.94% +1.11%
2 2026-02-28 2.48% 1.84% -0.64%
3 2026-02-01 — 2.48% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-0553

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P 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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2006-0553

OS Trackers for CVE-2006-0553

vendor priority summary link
redhat — — https://access.redhat.com/security/cve/CVE-2006-0553
ubuntu medium CVE-2006-0553 medium priority: Ubuntu including 3 source packages (postgresql, postgresql-8.1, postgresql-8.2), 12 status rows across 4 suites (dapper, edgy, feisty, upstream): released 4, DNE 3, needs-triage 3, not-affected 2. https://ubuntu.com/security/CVE-2006-0553

Vendor comments (NVD) for CVE-2006-0553

  • Red Hat (2006-08-30T00:00:00)

    This issue did not affect the versions of PostgreSQL as distributed with Red Hat Enterprise Linux 2.1, 3, or 4.

Affected software / configurations for CVE-2006-0553

Vendor Product Version Raw CPE
postgresql postgresql 8.1.0 cpe:2.3:a:postgresql:postgresql:8.1.0:*:*:*:*:*:*:*
postgresql postgresql 8.1.1 cpe:2.3:a:postgresql:postgresql:8.1.1:*:*:*:*:*:*:*
postgresql postgresql 8.1.2 cpe:2.3:a:postgresql:postgresql:8.1.2:*:*:*:*:*:*:*

References for CVE-2006-0553

cvelogic Threat Intelligence