CVE-2011-2489

CVE-2011-2489 is a high-severity vulnerability in Nrl Opie with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Description

Multiple off-by-one errors in opiesu.c in opiesu in OPIE 2.4.1-test1 and earlier might allow local users to gain privileges via a crafted command line.

Frequently asked questions

What is CVE-2011-2489?
Multiple off-by-one errors in opiesu.c in opiesu in OPIE 2.4.1-test1 and earlier might allow local users to gain privileges via a crafted command line.
How severe is CVE-2011-2489?
CVE-2011-2489 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2011-2489 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2489?
CVE-2011-2489 primarily affects Nrl Opie. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2489?
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-2011-2489 published?
CVE-2011-2489 was published on 2011-07-27 and last updated on 2026-06-16.

References

Affected products (9)

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