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CVE-2000-0570

23
FAUCET Score

CVE-2000-0570 describes a denial-of-service vulnerability affecting Centrinity FirstClass Internet Services server versions 5.770 and earlier than 6.1. An unauthenticated remote attacker can exploit this by sending an email with an excessively long "To:" header, causing the server to crash. The vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and no authentication required, leading to partial availability impact. While not actively exploited in the wild and not on the KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.770CPE matchmatch criteria
cpe:2.3:a:centrinity:firstclass_intranet_server:5.770:*:*:*:*:*:*:*

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
3.14%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-20052 · Jun 27, 2000
This CVE's current EPSS score of 0.0314 is in the 81st 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

archives.neohapsis.com / archives/bugtraq/2000-06/0295.html
ExploitVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/4843
osvdb.org / 5718
securityfocus.com / bid/1421
ExploitVendor Advisory