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CVE-2001-1567

15
FAUCET Score

CVE-2001-1567 describes a security bypass vulnerability in Lotus Domino server versions 5.0.9a and earlier. Remote attackers can exploit this by sending an HTTP request with numerous '+' characters before a .nsf file extension, which Domino converts to spaces, allowing unauthorized viewing of Notes database files and potentially sensitive Notes template files (.ntf). This vulnerability has a CVSS score of 5.0 (Medium), indicating a network-based attack with low complexity and no authentication required, leading to partial confidentiality impact. There is no impact on integrity or availability. Currently, there is no evidence of active exploitation, nor is exploit code available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received no community discussion or media coverage, suggesting it is not a widely discussed or exploited threat.

Impacted Technologies

VendorProductVersion(s)CPE
5.0CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:5.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:5.0.2:*:*:*:*:*:*:*
5.0.3CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:5.0.3:*:*:*:*:*:*:*
5.0.4CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:5.0.4:*:solaris:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
1.56%
Probability of exploitation in next 30 days
EPSS Percentile
72.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0156 is in the 56th percentile among its peer group of 23,723 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
marc.info
marc.info
iss.net / security_center/static/8072.php
nextgenss.com / papers/hpldws.pdf
Vendor Advisory
securityfocus.com / bid/4022