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5.0

Astaro Security Linux PPTP server reveals its version

CVE-2004-2251 · published 21 years ago
Summary

The PPTP service on Astaro Security Linux (versions earlier than 4.024) reports its software version to anyone who connects. Knowing the exact version helps attackers design more effective attacks. Update the system to version 4.024 or later, or disable the PPTP service if it is not needed.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
astaro security_linux 4.017
4.018
4.019
4.020
4.021
4.022
4.023
cpe:2.3:o:astaro:security_linux:4.017:*:*:*:*:*:*:*
Original advisory text
The PPTP server in Astaro Security Linux before 4.024 provides information about its version, which makes it easier for remote attackers to construct specialized attacks.
The PPTP server in Astaro Security Linux before 4.024 provides information about its version, which makes it easier for remote attackers to construct specialized attacks.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.0 Medium
Exploitation
2% chance of attack within 30 days
Timeline
Published31 Dec 2004
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2004-2251 · NVD
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