CVE-2001-1078

Extremail vulnerability

CVSS

10.0

EPSS

5.4%

EPSS pct

92th

Exploited

No known

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.

Affected vendor

Extremail

Affected product

Extremail

CVSS vector

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

Published

2001-06-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 5.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2001-1078

Confirm whether Extremail Extremail is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2001-1078.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2001-1078

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2001-1078 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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