How severe is CVE-2008-0153?

CVE-2008-0153 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2008-0153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-0153?

CVE-2008-0153 affects Pragma Systems Pragma Telnetserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2008-0153?

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

When was CVE-2008-0153 published?

CVE-2008-0153 was published on 2008-01-09 and last updated on 2026-06-16.

CVE-2008-0153

CVE-2008-0153 is a medium-severity vulnerability in Pragma Systems Pragma Telnetserver with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Pragma Systems Pragma Telnetserver
Published: 2008-01-09
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2008-0153?: 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.
How severe is CVE-2008-0153?: CVE-2008-0153 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2008-0153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-0153?: CVE-2008-0153 affects Pragma Systems Pragma Telnetserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2008-0153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-0153 published?: CVE-2008-0153 was published on 2008-01-09 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:pragma_systems:pragma_telnetserver:7.0.4.589:*:*:*:*:*:*:*

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