How severe is CVE-2009-0620?

CVE-2009-0620 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-0620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0620?

CVE-2009-0620 affects Cisco Application Control Engine Module. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0620?

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

When was CVE-2009-0620 published?

CVE-2009-0620 was published on 2009-02-26 and last updated on 2026-06-16.

CVE-2009-0620

CVE-2009-0620 is a critical-severity vulnerability in Cisco Application Control Engine Module with a CVSS 2.0 base score of 10.0. 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-255.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Cisco Application Control Engine Module
Published: 2009-02-26
Last modified: 2026-06-16

Description

Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.1) uses default (1) usernames and (2) passwords for (a) the administrator and (b) web management, which makes it easier for remote attackers to perform configuration changes or obtain operating-system access.

Frequently asked questions

What is CVE-2009-0620?: Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers before A2(1.1) uses default (1) usernames and (2) passwords for (a) the administrator and (b) web management, which makes it easier for remote attackers to perform configuration changes or obtain operating-system access.
How severe is CVE-2009-0620?: CVE-2009-0620 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-0620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0620?: CVE-2009-0620 affects Cisco Application Control Engine Module. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0620?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-0620 published?: CVE-2009-0620 was published on 2009-02-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cisco:application_control_engine_module:*:*:*:*:*:*:*:*

More vulnerabilities in Cisco Application Control Engine Module

CVE-2009-0622 — Critical (CVSS 9.0): Unspecified vulnerability in Cisco ACE Application Control Engine Module for Catalyst 6500 Switches and 7600 Routers…
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