CVE-2013-5557 json
The Proxy Bypass Content Rewriter feature in the WebVPN subsystem in Cisco Adaptive Security Appliance (ASA) Software 9.1(.2) and earlier a…
published 11y ago modified 4mo ago also EUVD-2013-5397
- cvss
- 6.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.0%
- EPSS 2.0% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
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.
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Check with FencerExploit prediction
2.01% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.3 | AV:N/AC:M/Au:S/C:N/I:N/A:C |
References
-
tools.cisco.com
/security/center/content/CiscoSecurityNotice/CVE-2013-5557
vendor-advisory, broken-link
-
tools.cisco.com
/security/center/viewAlert.x?alertId=37383
vendor-advisory
-
securityfocus.com
/bid/72529
vdb-entry, third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/100694
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2013-5557
- NVD CVE-2013-5557
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.