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Page generated: 08 Nov 2026, 08:06 UTC

CVE-2012-4681

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Multiple vulnerabilities in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 6 and earlier allow remote attackers to execute arbitrary code via a crafted applet that bypasses SecurityManager restrictions by (1) using com.sun.beans.finder.ClassFinder.findClass and leveraging an exception with the forName method to access restricted classes from arbitrary packages such as sun.awt.SunToolkit, then (2) using "reflection with a trusted immediate caller" to leverage the getField method to access and modify private fields, as exploited in the wild in August 2012 using Gondzz.class and Gondvv.class.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 98.54%: +0.49

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

Bitdefender

Press · 07 Oct 2024, 06:09 · Top Protection Against Java Exploits With Bitdefender Reinforced Malware Detection 2583 - Bitdefender

CERT Polska

Press · 17 Mar 2021, 22:12 · Solution for the ECSM HackMe challenge - CERT Polska

McAfee

Press · 15 Nov 2019, 10:25 · Multiple Java Exploits Hide in a Jar (File) - McAfee

Securelist

Press · 07 Aug 2014, 07:00 · The Epic Turla Operation - Securelist

Securelist

Press · 12 Aug 2013, 07:00 · Central Tibetan Administration Website Compromised - Securelist

See all 10 source documents

WeLiveSecurity

Press · 18 Dec 2012, 08:00 · Malicious Apache module used for content injection: Linux/Chapro.A - WeLiveSecurity

SecurityWeek

Press · 03 Dec 2012, 08:00 · Mac Malware Targeting Dalai Lama Supporters - SecurityWeek

Securelist

Press · 01 Nov 2012, 07:00 · IT Threat Evolution: Q3 2012 - Securelist

Securelist

Press · 28 Aug 2012, 07:00 · The Current Web-Delivered Java 0day - Securelist

www.trendmicro.com

Press · 28 Aug 2012, 07:00 · Java Runtime 1.7 Zero-Day Exploit Delivers Backdoor - www.trendmicro.com

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 1 repos with metrics

Repository	Stars	Forks	Language	Updated
ZH3FENG/PoCs-CVE_2012_4681	0	0	Java	05 Jan 2018, 08:13

Public exploit evidence

exploitdb #20865 2012-08-27

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.8; EPSS 98.5%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:57:30.588897+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

28 Aug 2012, 00:00

First press mention

28 Aug 2012, 07:00

Added to the CISA KEV catalog

03 Mar 2022, 00:00

Latest press mention

07 Oct 2024, 06:09

Score calculated

05 Nov 2026, 13:57

PoCs on GitHub

1 repositories