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CVE-2001-1537

19
FAUCET Score

CVE-2001-1537 describes a critical vulnerability in TWIG webmail versions 2.7.4 and earlier, where the default "basic" security setting in config.php stores user credentials in cleartext cookies. This flaw allows attackers to easily intercept authentication information, potentially leading to unauthorized access and privilege escalation. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network with low attack complexity, resulting in high confidentiality impact. While there is no evidence of active exploitation, nor readily available exploit code in Metasploit or ExploitDB, the lack of community discussion or media coverage is typical for older CVEs.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.7.4CPE matchmatch criteria
cpe:2.3:a:symfony:twig:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0112 is in the 41st percentile among its peer group of 51,551 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/bugtraq/2001-11/0245.html
Broken Link
iss.net / security_center/static/7619.php
Broken Link
securityfocus.com / bid/3591
Broken LinkThird Party AdvisoryVDB Entry