CVE-2010-1871
Red Hat Linux JBoss Seam 2 Remote Code Execution Vulnerability
Red Hat JBoss Seam 2
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 10 December 2021. US federal agencies were required to remediate it by 10 June 2022.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 83.4%, which is higher than 99.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2010-1871 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2010-1871.
What does CVE-2010-1871 affect?
CVE-2010-1871 affects Red Hat JBoss Seam 2. 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.
How severe is CVE-2010-1871?
CVE-2010-1871 is rated HIGH with a CVSS base score of 8.8. EPSS puts the probability of exploitation in the next 30 days at 83.4%, higher than 99.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 10 June 2022.
How should organisations respond to CVE-2010-1871?
Apply the vendor patch for Red Hat JBoss Seam 2 as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.