Is CVE-2008-0153 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2008-0153, but active exploitation has not been confirmed.

Can CVE-2008-0153 be exploited remotely?

Yes. CVE-2008-0153 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2008-0153?

CVE-2008-0153 has a CVSS score of 5.0 (MEDIUM).

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MEDIUMPOC

CVE-2008-0153

CWE-399Published: January 9, 2008· Updated: Jun 16, 2026

5.0

CVSS v3.1

Official Description

telnetd.exe in Pragma TelnetServer 7.0.4.589 allows remote attackers to cause a denial of service (process crash and resource exhaustion) via a crafted TELOPT PRAGMA LOGON telnet option, which triggers a NULL pointer dereference.

NVD Source

Technical Analysis

CVE-2008-0153 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-0153. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.