Home/CVE/The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.
CVE

CVE-2013-5557

The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.

The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier allows remote authenticated users to cause a denial of service (device crash or error-recovery event) via an HTTP request that triggers a rewrite, aka Bug ID CSCug91577.

MEDIUM · CVSS 6.3 EPSS 0.00345
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
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Affected Products & Versions

1
cisco adaptive security appliance software<= 9.1\(2\)
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Scoring & Timeline

6.3
MEDIUM · CVSS v2 (legacy) · psirt@cisco.com
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:S/C:N/I:N/A:C
Published to NVD07 Feb 2015 · 04:59 AM
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References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5557Broken LinkVendor Advisory
http://tools.cisco.com/security/center/viewAlert.x?alertId=37383Vendor Advisory
http://www.securityfocus.com/bid/72529Third Party AdvisoryVDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/100694Third Party AdvisoryVDB Entry
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