Cross-Site Scripting (XSS) in Cisco Anyconnect Secure Mobility Client (CVE-2017-6788)
Summary
Cross-site scripting in Cisco Anyconnect Secure Mobility Client (CVE-2017-6788). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
The WebLaunch functionality of Cisco AnyConnect Secure Mobility Client Software contains a vulnerability that could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the affected software. The vulnerability is due to insufficient input validation of some parameters that are passed to the WebLaunch function of the affected software. An attacker could exploit this vulnerability by convincing a user to access a malicious link or by intercepting a user request and injecting malicious code into the request. Cisco Bug IDs: CSCvf12055. Known Affected Releases: 98.89(40).
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2017-6788 has been found in Cisco Anyconnect Secure Mobility Client.
Risk of unauthorized operations or information disclosure. CVSS score: 6.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Cisco Anyconnect Secure Mobility Client CVE-2017-6788" on the vendor's site.
CVE-2017-6788 (Cisco Anyconnect Secure Mobility Client) — CWE-79 / CVSS v3 6.1
Attack vector: remote (network-reachable) / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Cross-site scripting (XSS) (CWE-79) exists in Cisco Anyconnect Secure Mobility Client.
Check the vendor advisory for the affected versions of Cisco Anyconnect Secure Mobility Client.
Severity: Medium (CVSS 6.1/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Cisco Anyconnect Secure Mobility Client を使っているサービスとバージョンを洗い出す。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory securityfocus.com
- advisory securitytracker.com
- patch tools.cisco.com