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CVE-2005-4270

30
FAUCET Score

CVE-2005-4270 describes a buffer overflow vulnerability in Watchfire AppScan QA versions 5.0.609 and 5.0.134. This flaw allows remote web servers to execute arbitrary code on affected systems by sending a specially crafted HTTP 401 response containing an overly long Realm field within the WWW-Authenticate header. With a CVSS score of 7.5, this vulnerability is considered highly severe, as it can be exploited remotely without authentication, potentially leading to complete compromise of the system. While not listed on CISA's KEV catalog, exploit code is publicly available via ExploitDB, indicating a clear path for attackers. Despite its age and the availability of exploit code, there is no evidence of active exploitation, nor significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.134CPE matchmatch criteria
cpe:2.3:a:watchfire:appscan_qa:5.0.134:*:*:*:*:*:*:*
5.0.609CPE matchmatch criteria
cpe:2.3:a:watchfire:appscan_qa:5.0.609:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.49%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-1374 · Dec 15, 2005
This CVE's current EPSS score of 0.0549 is in the 86th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/18013
securityreason.com / securityalert/260
securitytracker.com / id
cybsec.com / vuln/CYBSEC_Security_Advisory_AppScanQA_RemoteCodeExec.pdf
Exploit
securityfocus.com / archive/1/419586/100/0/threaded
securityfocus.com / bid/15873
Exploit
vupen.com / english/advisories/2005/2933