How severe is CVE-2009-1220?

CVE-2009-1220 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1220?

CVE-2009-1220 primarily affects Cisco Adaptive Security Appliance. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1220?

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

When was CVE-2009-1220 published?

CVE-2009-1220 was published on 2009-04-01 and last updated on 2026-06-16.

CVE-2009-1220

CVE-2009-1220 is a medium-severity vulnerability in Cisco Adaptive Security Appliance with a CVSS 2.0 base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Adaptive Security Appliance
Published: 2009-04-01
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in +webvpn+/index.html in WebVPN on the Cisco Adaptive Security Appliances (ASA) 5520 with software 7.2(4)30 and earlier 7.2 versions including 7.2(2)22, and 8.0(4)28 and earlier 8.0 versions, when clientless mode is enabled, allows remote attackers to inject arbitrary web script or HTML via the Host HTTP header.

Frequently asked questions

What is CVE-2009-1220?: Cross-site scripting (XSS) vulnerability in +webvpn+/index.html in WebVPN on the Cisco Adaptive Security Appliances (ASA) 5520 with software 7.2(4)30 and earlier 7.2 versions including 7.2(2)22, and 8.0(4)28 and earlier 8.0 versions, when clientless mode is enabled, allows remote attackers to inject arbitrary web script or HTML via the Host HTTP header.
How severe is CVE-2009-1220?: CVE-2009-1220 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1220?: CVE-2009-1220 primarily affects Cisco Adaptive Security Appliance. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1220 published?: CVE-2009-1220 was published on 2009-04-01 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:h:cisco:adaptive_security_appliance:5520:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios:7.2\(2\)22:*:*:*:*:*:*:*

More vulnerabilities in Cisco Adaptive Security Appliance

CVE-2021-1573 — High (CVSS 8.6): A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower…
CVE-2021-40118 — High (CVSS 8.6): A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower…
CVE-2021-40117 — High (CVSS 8.6): A vulnerability in SSL/TLS message handler for Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower…
CVE-2021-34793 — High (CVSS 8.6): A vulnerability in the TCP Normalizer of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense…
CVE-2020-3572 — High (CVSS 8.6): A vulnerability in the SSL/TLS session handler of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower…
CVE-2020-3529 — High (CVSS 8.6): A vulnerability in the SSL VPN negotiation process for Cisco Adaptive Security Appliance (ASA) Software and Cisco…

All CVEs affecting Cisco Adaptive Security Appliance →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →