Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2000-0557

26
FAUCET Score

CVE-2000-0557 describes a critical buffer overflow vulnerability in the web interface of Cmail version 2.4.7. This flaw allows unauthenticated remote attackers to execute arbitrary commands on the affected system by submitting an excessively long GET request. With a CVSS score of 10.0, this vulnerability represents a severe risk, enabling full compromise of confidentiality, integrity, and availability. Despite its age and high severity, there is no public exploit code available, nor is it listed in the KEV catalog, indicating no known active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.7CPE matchmatch criteria
cpe:2.3:a:computalynx:cmail:2.4.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
4.33%
Probability of exploitation in next 30 days
EPSS Percentile
90.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0433 is in the 83rd percentile among its peer group of 51,485 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

archives.neohapsis.com / archives/ntbugtraq/2000-q2/0248.html
ExploitPatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/4626
securityfocus.com / bid/1318
PatchVendor Advisory