CVE-2002-1721

HIGHNVD 7.57.5—Trending — 3 sources updated this week

7.5

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.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 80.9%
KEV: Not listed

Published

December 31, 2002

Last Modified

April 16, 2026

Advisory Details (3)

Auto-updated May 31, 2026

No patch confirmed yet.

generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/8992

generic

http://www.securityfocus.com/bid/4650

generic

http://www.pldaniels.com/altermime/CHANGELOG

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-193Off-by-one Error

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 17:57 UTCEG score recompute
2026-05-31 17:57 UTCGHSA enrichment
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch

Frequently asked(5)

What is CVE-2002-1721?

CVE-2002-1721 is a high vulnerability published on December 31, 2002. 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.

When was CVE-2002-1721 disclosed?

CVE-2002-1721 was first published in the National Vulnerability Database on December 31, 2002, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2002-1721 actively exploited?

CVE-2002-1721 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 80.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2002-1721?

CVE-2002-1721 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2002-1721?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2002-1721, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2002-1721

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

IBM X-Force Exchange

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2002-1721?

Published

Last Modified

Advisory Details (3)

Frequently asked(5)