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CVE-2000-0507

25
FAUCET Score

CVE-2000-0507 describes a denial-of-service vulnerability in Imate Webmail Server 2.5, where a remote attacker can crash the server by sending an excessively long HELO command. This vulnerability has a CVSS score of 5.0 (Medium), indicating it can be exploited remotely with low complexity and no authentication, resulting in partial availability impact. While there is no evidence of active exploitation, a buffer overflow exploit (EDB-19976) exists for this vulnerability, though it has garnered no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.5CPE matchmatch criteria
cpe:2.3:a:concatus:imate_webmail_server:2.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.28%
Probability of exploitation in next 30 days
EPSS Percentile
93.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-19976 · Jun 1, 2000
This CVE's current EPSS score of 0.0728 is in the 91st percentile among its peer group of 23,701 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, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

marc.info
exchange.xforce.ibmcloud.com / vulnerabilities/4586
securityfocus.com / bid/1286
Vendor Advisory