How severe is CVE-2003-1266?

CVE-2003-1266 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2003-1266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1266?

CVE-2003-1266 primarily affects Etype Eserv. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-1266?

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

When was CVE-2003-1266 published?

CVE-2003-1266 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1266

CVE-2003-1266 is a medium-severity vulnerability in Etype Eserv with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Etype Eserv
Published: 2003-12-31
Last modified: 2026-06-16

Description

The (1) FTP, (2) POP3, (3) SMTP, and (4) NNTP servers in EServer 2.92 through 2.97, and possibly 2.98, allow remote attackers to cause a denial of service (crash) via a large amount of data.

Frequently asked questions

What is CVE-2003-1266?: The (1) FTP, (2) POP3, (3) SMTP, and (4) NNTP servers in EServer 2.92 through 2.97, and possibly 2.98, allow remote attackers to cause a denial of service (crash) via a large amount of data.
How severe is CVE-2003-1266?: CVE-2003-1266 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2003-1266 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1266?: CVE-2003-1266 primarily affects Etype Eserv. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1266?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1266 published?: CVE-2003-1266 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:etype:eserv:2.92:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.93:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.94:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.95:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.96:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.97:*:*:*:*:*:*:*
cpe:2.3:a:etype:eserv:2.98:*:*:*:*:*:*:*

More vulnerabilities in Etype Eserv

CVE-2008-4588 — Critical (CVSS 10.0): Stack-based buffer overflow in the FTP server in Etype Eserv 3.x, possibly 3.26, allows remote attackers to cause a…
CVE-2000-0523 — Critical (CVSS 10.0): Buffer overflow in the logging feature of EServ 2.9.2 and earlier allows an attacker to execute arbitrary commands via…
CVE-2002-0222 — High (CVSS 7.5): Etype Eserv 2.97 allows remote attackers to redirect traffic to other sites (aka FTP bounce) via the PORT command.
CVE-2000-0907 — High (CVSS 7.5): EServ 2.92 Build 2982 allows remote attackers to cause a denial of service and possibly execute arbitrary commands via…
CVE-2006-2308 — Medium (CVSS 5.5): Directory traversal vulnerability in the IMAP service in EServ/3 3.25 allows remote authenticated users to read other…
CVE-2003-0290 — Medium (CVSS 5.0): Memory leak in eServ 2.9x allows remote attackers to cause a denial of service (memory exhaustion) via a large number…

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