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CVE-2012-4821

30
FAUCET Score

CVE-2012-4821 describes multiple unspecified vulnerabilities within the JRE component of various IBM Java versions and numerous IBM products, including Rational Host On-Demand, Tivoli Monitoring, and Lotus Notes & Domino. These flaws, stemming from insecure use of java.lang.Class getDeclaredMethods or java.lang.reflect.AccessibleObject setAccessible() methods, allow remote attackers to execute arbitrary code. With a CVSS score of 9.3, this vulnerability is critical, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.4.2, <= 1.4.2.13.13CPE matchmatch criteria
cpe:2.3:a:ibm:java:*:*:*:*:*:*:*:*
>= 5.0.0.0, <= 5.0.14.0CPE matchmatch criteria
cpe:2.3:a:ibm:java:*:*:*:*:*:*:*:*
>= 6.0.0.0, <= 6.0.11.0CPE matchmatch criteria
cpe:2.3:a:ibm:java:*:*:*:*:*:*:*:*
>= 7.0.0.0, <= 7.0.2.0CPE matchmatch criteria
cpe:2.3:a:ibm:java:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:a:ibm:lotus_domino:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.90%
Probability of exploitation in next 30 days
EPSS Percentile
93.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0690 is in the 70th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: java-1.7.0-ibm-1:1.7.0.3.0-1jpp.2.el6_3
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: java-1.7.0-ibm

Vendor Advisories (1)

redhatCVE-2012-4821Important

JDK: getDeclaredMethods() and setAccessible() code execution

Nov 13, 2012

References

rhn.redhat.com / errata/RHSA-2012-1467.html
Third Party Advisory
seclists.org / bugtraq/2012/Sep/38
Mailing ListThird Party Advisory
secunia.com / advisories/51326
Third Party Advisory
secunia.com / advisories/51634
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/78765
Third Party AdvisoryVDB Entry
www-304.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
www-01.ibm.com / support/docview.wss
Vendor Advisory
securityfocus.com / bid/55495
Third Party AdvisoryVDB Entry