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Vulnerability record · CVE-2011-2490 · published 27 July 2011

CVE-2011-2490: Nrl opie improper input validation vulnerability

Nrl · Opie

opielogin.c in opielogin in OPIE 2.4.1-test1 and earlier does not check the return value of the setuid system call, which allows local users to gain privileges by arranging for an account to already be running its maximum number of processes.

7.2 CVSS 2.0 High EPSS 0.53% · top 56.3% CWE-20 · Improper input validation
7.2CVSS 2.0 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

opielogin.c in opielogin in OPIE 2.4.1-test1 and earlier does not check the return value of the setuid system call, which allows local users to gain privileges by arranging for an account to already be running its maximum number of processes.

AV:L/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2010-1938Freebsd vulnerabilityOff-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE…EPSS 22%7.2CVE-2011-2489Nrl opie vulnerabilityMultiple 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 lin…EPSS 0.53%9.5CVE-2026-88771Citrix netscaler application delivery controller improper input validation vulnerabilityImproper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-…KEVEPSS 1.1%9.5CVE-2026-93952Arista velocloud orchestrator improper input validation vulnerabilityVeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality an…KEVEPSS 1.1%8.8CVE-2019-1068Microsoft SQL Server improper input validation remote code executionMicrosoft SQL Server mishandles processing of internal functions, allowing an authenticated remote attacker to execute code on the database server. T…KEVEPSS 57%analysed5.9CVE-2025-68686FortiOS symbolic link patch bypass exposes sensitive informationFortiOS contains an information exposure flaw (CWE-200) that lets a remote unauthenticated attacker bypass the patch for the symbolic link persistenc…KEVEPSS 29%analysed9.3CVE-2026-12569PTC Windchill PDMlink and FlexPLM deserialization RCEPTC Windchill PDMlink and FlexPLM contain a deserialization of untrusted data flaw (also classified as improper input validation) that allows remote …KEVEPSS 46%analysed10.0CVE-2026-34910Ubiquiti UniFi OS input validation flaw allows command injectionUniFi OS devices contain an improper input validation vulnerability (CWE-20) that lets a network-reachable attacker inject and execute commands. It a…KEVEPSS 46%analysed

Source: NIST National Vulnerability Database (record CVE-2011-2490), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.