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-2005-1807

24
FAUCET Score

CVE-2005-1807 describes a denial-of-service vulnerability in PHPMailer versions 1.7.2 and earlier. Attackers can exploit this by sending a specially crafted, long header field to the Data function in class.smtp.php, leading to an infinite loop that consumes excessive memory and CPU resources. This vulnerability has a CVSS score of 5.0, indicating a medium severity, and can be exploited remotely with low attack complexity, resulting in a partial availability impact. While not on the CISA KEV catalog or Hot List, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.72CPE matchmatch criteria
cpe:2.3:a:phpmailer:phpmailer:*:*:*:*:*:*:*:*

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
4.50%
Probability of exploitation in next 30 days
EPSS Percentile
90.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-25752 · May 28, 2005
This CVE's current EPSS score of 0.0450 is in the 87th 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

seclists.org / lists/bugtraq/2005/May/0337.html
secunia.com / advisories/15543
secunia.com / advisories/18732
secunia.com / advisories/25726
securitytracker.com / id
ExploitVendor Advisory
sourceforge.net / project/shownotes.php
cybsec.com / vuln/PHPMailer-DOS.pdf
ExploitVendor Advisory
securityfocus.com / bid/13805
vupen.com / english/advisories/2006/0448
vupen.com / english/advisories/2007/2242