CVE-2002-1721

Name: CVE-2002-1721
Creator: NVD / NIST
Published: 2002-12-31T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.26%

Last modified Jun 16, 2026

CVE-2002-1721 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Off-by-one error in alterMIME 0.1.10 and 0.1.11 allows remote attackers to cause a denial of service (crash) via an x-header that causes snprintf overwrite the FFGET_FILE variable with a (null) byte.. EPSS estimates a 2.26% chance of exploitation in the next 30 days.

Description

Off-by-one error in alterMIME 0.1.10 and 0.1.11 allows remote attackers to cause a denial of service (crash) via an x-header that causes snprintf overwrite the FFGET_FILE variable with a (null) byte.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.26%

80.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions
Pldaniels	Altermime	0.1.10
Pldaniels	Altermime	0.1.11

References

http://www.pldaniels.com/altermime/CHANGELOGRelease Notes
http://www.securityfocus.com/bid/4650Broken Link, Patch, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/8992Third Party Advisory, VDB Entry
http://www.pldaniels.com/altermime/CHANGELOGRelease Notes
http://www.securityfocus.com/bid/4650Broken Link, Patch, Third Party Advisory, VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/8992Third Party Advisory, VDB Entry

Timeline

Published: Dec 31, 2002
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2002-1721?

Off-by-one error in alterMIME 0.1.10 and 0.1.11 allows remote attackers to cause a denial of service (crash) via an x-header that causes snprintf overwrite the FFGET_FILE variable with a (null) byte.

How severe is CVE-2002-1721?

CVE-2002-1721 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.26% probability of exploitation in the next 30 days.

How do I fix CVE-2002-1721?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2002-1721?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST