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CVE-2001-0523

24
FAUCET Score

CVE-2001-0523 describes a vulnerability in eEye SecureIIS versions 1.0.3 and earlier, where a remote attacker can bypass security filtering by escaping HTML characters in requests. This bypass allows the attacker to utilize restricted variables and conduct directory traversal attacks against protected programs. The vulnerability carries a high CVSS score of 7.5, indicating it is network-exploitable with low attack complexity and can lead to partial compromise of confidentiality, integrity, and availability. While there is no known active exploitation, public exploit code, or Metasploit/Nuclei modules, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.2CPE matchmatch criteria
cpe:2.3:a:eeye_digital_security:secureiis:1.0.2:*:*:*:*:*:*:*
<= 1.0.3CPE matchmatch criteria
cpe:2.3:a:eeye_digital_security:securells:*:*:*:*:*:*:*:*

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
2.02%
Probability of exploitation in next 30 days
EPSS Percentile
78.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0202 is in the 63rd percentile among its peer group of 51,466 CVEs.

Social Chatter

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

archives.neohapsis.com / archives/bugtraq/2001-05/0185.html
ExploitVendor Advisory
archives.neohapsis.com / archives/bugtraq/2001-05/0197.html
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/6563
exchange.xforce.ibmcloud.com / vulnerabilities/6564