How severe is CVE-2010-2075?

CVE-2010-2075 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-2075 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 84% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2075?

CVE-2010-2075 affects Unrealircd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-2075?

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

When was CVE-2010-2075 published?

CVE-2010-2075 was published on 2010-06-15 and last updated on 2026-06-16.

CVE-2010-2075

CVE-2010-2075 is a high-severity vulnerability in Unrealircd with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 84% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 84% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Unrealircd
Published: 2010-06-15
Last modified: 2026-06-16

Description

UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands.

Frequently asked questions

What is CVE-2010-2075?: UnrealIRCd 3.2.8.1, as distributed on certain mirror sites from November 2009 through June 2010, contains an externally introduced modification (Trojan Horse) in the DEBUG3_DOLOG_SYSTEM macro, which allows remote attackers to execute arbitrary commands.
How severe is CVE-2010-2075?: CVE-2010-2075 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2010-2075 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 84% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2075?: CVE-2010-2075 affects Unrealircd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-2075?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2010-2075 published?: CVE-2010-2075 was published on 2010-06-15 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:unrealircd:unrealircd:3.2.8.1:*:*:*:*:*:*:*

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