Security readout for executives and security teams
This CVE is a cross-site scripting issue in Cisco ASA 5520 WebVPN clientless access. If exposed and enabled, a remote attacker could cause script or HTML to run through the VPN web interface using a crafted Host header. The bundle does not provide CVSS, confirmed exploitation, or fixed-version details. Exposure is likely limited to organizations running older Cisco ASA 5520 software with WebVPN clientless mode enabled, especially if the WebVPN interface is reachable from untrusted networks. Prioritize review if legacy ASA WebVPN remains internet-facing. Business urgency is lower than a confirmed exploited remote code issue, but exposed VPN portals are sensitive access points and this issue is publicly documented. Mitigation focus: Check Cisco’s advisory for fixed software and supported remediation guidance.; Disable WebVPN clientless mode if it is not required.; Restrict WebVPN access to trusted networks where operationally feasible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2009-1220 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- asa5520-webvpn-xss(49528)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
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