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CVE-2010-1871

KEVRed Hat Linux JBoss Seam 2 Remote Code Execution Vulnerability

JBoss Seam 2 (jboss-seam2), as used in JBoss Enterprise Application Platform 4.3.0 for Red Hat Linux, allows attackers to perform remote code execution. This vulnerability can only be exploited when the Java Security Manager is not properly configured.

JBoss Seam 2 (jboss-seam2), as used in JBoss Enterprise Application Platform 4.3.0 for Red Hat Linux, does not properly sanitize inputs for JBoss Expression Language (EL) expressions, which allows remote attackers to execute arbitrary code via a crafted URL. NOTE: this is only a vulnerability when the Java Security Manager is not properly configured.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
PublishedAug 5, 2010
Last modifiedJun 16, 2026
Added to KEVDec 10, 2021
Remediation dueJun 10, 2022
    82
    Risk assessment · Critical

    Actively exploited. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 1600 days
    CVSS
    8.8 HIGH
    EPSS (30-day exploit probability)
    83.4% · top 1% of all CVEs
    Weakness
    CWE-917
    Attack vector
    Network, remotely reachable
    1. 1.Apply updates per vendor instructions.
    2. 2.Treat as emergency change: patch or isolate internet-facing instances first.
    3. 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
    4. 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

    Assessment is derived automatically from the live signals above; verify against your own asset inventory.