How severe is CVE-2003-1090?

CVE-2003-1090 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2003-1090 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1090?

CVE-2003-1090 primarily affects Celestial Software Absolutetelnet. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-1090?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2003-1090 published?

CVE-2003-1090 was published on 2003-02-06 and last updated on 2026-06-16.

CVE-2003-1090

CVE-2003-1090 is a critical-severity vulnerability in Celestial Software Absolutetelnet with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Celestial Software Absolutetelnet
Published: 2003-02-06
Last modified: 2026-06-16

Description

Buffer overflow in AbsoluteTelnet before 2.12 RC10 allows remote attackers to execute arbitrary code via a long window title.

Frequently asked questions

What is CVE-2003-1090?: Buffer overflow in AbsoluteTelnet before 2.12 RC10 allows remote attackers to execute arbitrary code via a long window title.
How severe is CVE-2003-1090?: CVE-2003-1090 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2003-1090 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1090?: CVE-2003-1090 primarily affects Celestial Software Absolutetelnet. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1090?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2003-1090 published?: CVE-2003-1090 was published on 2003-02-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:celestial_software:absolutetelnet:2.0:*:*:*:*:*:*:*
cpe:2.3:a:celestial_software:absolutetelnet:2.11:*:*:*:*:*:*:*

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