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Vulnerability record · CVE-2001-1078 · published 21 June 2001

CVE-2001-1078: Extremail vulnerability

EExtremail · Extremail

Format string vulnerability in flog function of eXtremail 1.1.9 and earlier allows remote attackers to gain root privileges via format specifiers in the SMTP commands (1) HELO, (2) EHLO, (3) MAIL FROM, or (4) RCPT TO, and the POP3 commands (5) USER and (6) other commands that can be executed after POP3 authentication.

10.0 CVSS 2.0 High EPSS 5.4% · top 7.6%
10.0CVSS 2.0 base score
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

Format string vulnerability in flog function of eXtremail 1.1.9 and earlier allows remote attackers to gain root privileges via format specifiers in the SMTP commands (1) HELO, (2) EHLO, (3) MAIL FROM, or (4) RCPT TO, and the POP3 commands (5) USER and (6) other commands that can be executed after POP3 authentication.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/bugtraq/2001-06/0291.html
http://www.extremail.com/history.htm
http://www.extremail.com/news.htm
http://www.securityfocus.com/bid/2908 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6733
http://archives.neohapsis.com/archives/bugtraq/2001-06/0291.html
http://www.extremail.com/history.htm
http://www.extremail.com/news.htm
http://www.securityfocus.com/bid/2908 ExploitPatchVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/6733

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2007-5466Extremail memory buffer overflow vulnerabilityMultiple buffer overflows in eXtremail 2.1.1 and earlier allow remote attackers to (1) have an unknown impact by sending multiple long strings to the…EPSS 20%10.0CVE-2007-5467Extremail vulnerabilityInteger overflow in eXtremail 2.1.1 and earlier allows remote attackers to cause a denial of service, and possibly execute arbitrary code, via a long…EPSS 14%10.0CVE-2007-2187Extremail vulnerabilityStack-based buffer overflow in eXtremail 2.1.1 and earlier allows remote attackers to execute arbitrary code via a long DNS response. NOTE: this migh…EPSS 6.8%10.0CVE-2007-2188Extremail vulnerabilityeXtremail 2.1.1 and earlier does not verify the ID field (aka transaction id) in DNS responses, which makes it easier for remote attackers to conduct…EPSS 2.4%10.0CVE-2006-6926Extremail vulnerabilityBuffer overflow in eXtremail 2.1 has unknown impact and attack vectors, as demonstrated by VulnDisco Pack. NOTE: The provenance of this information i…EPSS 1.4%10.0CVE-2004-0332Extremail vulnerabilityExtremail 1.5.9 does not check passwords correctly when they are all digits or begin with a digit, which allows remote attackers to gain privileges.EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2001-1078), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.