How severe is CVE-2009-3457?

CVE-2009-3457 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3457?

CVE-2009-3457 primarily affects Cisco Ace Web Application Firewall. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3457?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-3457 published?

CVE-2009-3457 was published on 2009-09-29 and last updated on 2026-06-16.

CVE-2009-3457

CVE-2009-3457 is a medium-severity vulnerability in Cisco Ace Web Application Firewall with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Ace Web Application Firewall
Published: 2009-09-29
Last modified: 2026-06-16

Description

Cisco ACE XML Gateway (AXG) and ACE Web Application Firewall (WAF) before 6.1 allow remote attackers to obtain sensitive information via an HTTP request that lacks a handler, as demonstrated by (1) an OPTIONS request or (2) a crafted GET request, leading to a Message-handling Errors message containing a certain client intranet IP address, aka Bug ID CSCtb82159.

Frequently asked questions

What is CVE-2009-3457?: Cisco ACE XML Gateway (AXG) and ACE Web Application Firewall (WAF) before 6.1 allow remote attackers to obtain sensitive information via an HTTP request that lacks a handler, as demonstrated by (1) an OPTIONS request or (2) a crafted GET request, leading to a Message-handling Errors message containing a certain client intranet IP address, aka Bug ID CSCtb82159.
How severe is CVE-2009-3457?: CVE-2009-3457 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-3457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3457?: CVE-2009-3457 primarily affects Cisco Ace Web Application Firewall. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-3457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-3457 published?: CVE-2009-3457 was published on 2009-09-29 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:h:cisco:ace_web_application_firewall:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_web_application_firewall:6.0\(0\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_web_application_firewall:6.0\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_web_application_firewall:6.0\(2\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_xml_gateway:*:*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_xml_gateway:6.0\(0\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_xml_gateway:6.0\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:ace_xml_gateway:6.0\(2\):*:*:*:*:*:*:*

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