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CVE-2013-5557
The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier…
Medium6.3EPSS 2.0%
- Published
- Updated
- Reserved
- Assigned by
- cisco
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.3 | AV:N/AC:M/Au:S/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (4)
- 72529 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://tools.cisco.com/security/center/viewAlert.x?alertId=37383 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20150206 Cisco Adaptive Security Appliance WebVPN Content Rewriter Denial of Service Vulnerability (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- cisco-asa-cve20135557-dos(100694) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2013-5557)Record last updated .