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Fencer Vulns
high 7.5

CVE-2005-4270 json

Buffer overflow in Watchfire AppScan QA 5.0.609 and 5.0.134 allows remote web servers to execute arbitrary code via an HTTP 401 response wi…

published 2005-12-15 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-4265

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

Buffer overflow in Watchfire AppScan QA 5.0.609 and 5.0.134 allows remote web servers to execute arbitrary code via an HTTP 401 response with a WWW-Authenticate header containing a long Realm field.

Timeline

  1. First public exploit (EDB-1374)
  2. Published

Exploit prediction

5.49% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-1374 Watchfire AppScan QA 5.0.x - Remote Code Execution remote, 2005-12-15
  • securityfocus.com http://www.securityfocus.com/bid/15873 referenced PoC, tagged "exploit" by a source, unverified
  • cybsec.com http://www.cybsec.com/vuln/CYBSEC_Security_Advisory_AppScanQA_RemoteCodeExec.pdf referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns 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.