CVE-2005-0488

CVE-2005-0488 is a medium-severity vulnerability in Microsoft Telnet Client with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.

Frequently asked questions

What is CVE-2005-0488?
Certain BSD-based Telnet clients, including those used on Solaris and SuSE Linux, allow remote malicious Telnet servers to read sensitive environment variables via the NEW-ENVIRON option with a SEND ENV_USERVAR command.
How severe is CVE-2005-0488?
CVE-2005-0488 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-0488 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0488?
CVE-2005-0488 primarily affects Microsoft Telnet Client. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0488?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-0488 published?
CVE-2005-0488 was published on 2005-06-14 and last updated on 2026-06-16.

References

Affected products (3)