How severe is CVE-2009-4657?

CVE-2009-4657 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-4657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4657?

CVE-2009-4657 affects Omidrouhani Xerver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-4657 published?

CVE-2009-4657 was published on 2010-03-03 and last updated on 2026-06-16.

CVE-2009-4657

CVE-2009-4657 is a high-severity vulnerability in Omidrouhani Xerver with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Omidrouhani Xerver
Published: 2010-03-03
Last modified: 2026-06-16

Description

The administrator package for Xerver 4.32 does not require authentication, which allows remote attackers to alter application settings by connecting to the application on port 32123, as demonstrated by setting the action option to wizardStep1.

Frequently asked questions

What is CVE-2009-4657?: The administrator package for Xerver 4.32 does not require authentication, which allows remote attackers to alter application settings by connecting to the application on port 32123, as demonstrated by setting the action option to wizardStep1.
How severe is CVE-2009-4657?: CVE-2009-4657 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-4657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4657?: CVE-2009-4657 affects Omidrouhani Xerver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-4657 published?: CVE-2009-4657 was published on 2010-03-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:omidrouhani:xerver:4.32:*:*:*:*:*:*:*

More vulnerabilities in Omidrouhani Xerver

CVE-2009-4658 — Medium (CVSS 4.0): Xerver 4.32 allows remote authenticated users to cause a denial of service (daemon crash) via a non-numeric web port…

All CVEs affecting Omidrouhani Xerver →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →