How severe is CVE-2002-2423?

CVE-2002-2423 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2002-2423 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2002-2423?

CVE-2002-2423 primarily affects Sendmail. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-2423?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2002-2423 published?

CVE-2002-2423 was published on 2002-12-31 and last updated on 2026-06-16.

CVE-2002-2423

CVE-2002-2423 is a medium-severity vulnerability in Sendmail with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Sendmail
Published: 2002-12-31
Last modified: 2026-06-16

Description

Sendmail 8.12.0 through 8.12.6 truncates log messages longer than 100 characters, which allows remote attackers to prevent the IP address from being logged via a long IDENT response.

Frequently asked questions

What is CVE-2002-2423?: Sendmail 8.12.0 through 8.12.6 truncates log messages longer than 100 characters, which allows remote attackers to prevent the IP address from being logged via a long IDENT response.
How severe is CVE-2002-2423?: CVE-2002-2423 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2002-2423 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-2423?: CVE-2002-2423 primarily affects Sendmail. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-2423?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2002-2423 published?: CVE-2002-2423 was published on 2002-12-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:sendmail:sendmail:8.12.0:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.1:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.2:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.3:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.4:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.5:*:*:*:*:*:*:*
cpe:2.3:a:sendmail:sendmail:8.12.6:*:*:*:*:*:*:*

More vulnerabilities in Sendmail

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