CVE-2012-1723
CriticalExploitedPublic exploitOpenJDK: insufficient field accessibility checks (HotSpot, 7152811)
Published Jun 12, 2012 · Updated Aug 6, 2026
Key Facts
Patch immediately- CVE-2012-1723 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Jdk (Oracle), Jre (Oracle), Icedtea6 (Redhat) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 14, 2013 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 94% probability of exploitation in the next 30 days.
- Fixed versions are available, including java 1.6.0-openjdk-1:1.6.0.0-1.27.1.10.8.el5_8, java 1.7.0-openjdk-1:1.7.0.5-2.2.1.el6_3, java-1_7_0-openjdk 1.7.0.121-1.1.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
94%
Higher than 99.8% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2012-1723 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 3, 2022 | Mar 24, 2022 | Known |
| Industry KEV feed | Mar 14, 2013 | Mar 24, 2022 | Known |
| CIRCL KEV | Mar 3, 2022 | Mar 24, 2022 | Known |
| ENISA EUVD | Mar 3, 2022 | n/a | Not reported |
Required action: Apply updates per vendor instructions.
Affected Products
177 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| JdkOracle | 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update12, 1.5.0-update13, 1.5.0-update14, 1.5.0-update15 | 1.4.2_37 |
| JreOracle | 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update12, 1.5.0-update13, 1.5.0-update14, 1.5.0-update15 | 1.4.2_37 |
| Icedtea6Redhat | See advisory | 1.10.8 |
| Enterprise Linux DesktopRedhat | 5.0, 6.0 | n/a |
| Enterprise Linux EusRedhat | 6.2 | n/a |
Patched Releases
java
1.6.0-openjdk-1:1.6.0.0-1.27.1.10.8.el5_8, 1.7.0-openjdk-1:1.7.0.5-2.2.1.el6_3
java-1_7_0-openjdk
1.7.0.121-1.1
java-1_7_0-openjdk-accessibility
1.7.0.121-1.1
java-1_7_0-openjdk-bootstrap
1.7.0.121-1.1
java-1_7_0-openjdk-bootstrap-devel
1.7.0.121-1.1
java-1_7_0-openjdk-bootstrap-headless
1.7.0.121-1.1
java-1_7_0-openjdk-demo
1.7.0.121-1.1
java-1_7_0-openjdk-devel
1.7.0.121-1.1
java-1_7_0-openjdk-headless
1.7.0.121-1.1
java-1_7_0-openjdk-javadoc
1.7.0.121-1.1
java-1_7_0-openjdk-src
1.7.0.121-1.1
java-1.6.0-openjdk
1:1.6.0.0-1.27.1.10.8.0.1.el5_8, 1:1.6.0.0-1.48.1.11.3.el6_2, 1:1.6.0.0-52.1.11.3.45.amzn1
java-1.6.0-openjdk-demo
1:1.6.0.0-1.27.1.10.8.0.1.el5_8, 1:1.6.0.0-1.48.1.11.3.el6_2, 1:1.6.0.0-52.1.11.3.45.amzn1
java-1.6.0-openjdk-devel
1:1.6.0.0-1.27.1.10.8.0.1.el5_8, 1:1.6.0.0-1.48.1.11.3.el6_2, 1:1.6.0.0-52.1.11.3.45.amzn1
java-1.6.0-openjdk-javadoc
1:1.6.0.0-1.27.1.10.8.0.1.el5_8, 1:1.6.0.0-1.48.1.11.3.el6_2, 1:1.6.0.0-52.1.11.3.45.amzn1
java-1.6.0-openjdk-src
1:1.6.0.0-1.27.1.10.8.0.1.el5_8, 1:1.6.0.0-1.48.1.11.3.el6_2, 1:1.6.0.0-52.1.11.3.45.amzn1
java-1.7.0-openjdk
1:1.7.0.5-2.2.1.0.1.el6_3
java-1.7.0-openjdk-demo
1:1.7.0.5-2.2.1.0.1.el6_3
java-1.7.0-openjdk-devel
1:1.7.0.5-2.2.1.0.1.el6_3
java-1.7.0-openjdk-javadoc
1:1.7.0.5-2.2.1.0.1.el6_3
java-1.7.0-openjdk-src
1:1.7.0.5-2.2.1.0.1.el6_3
openjdk-11-openj9
0.53.0-r0
openjdk-17-openj9
0.53.0-r0
openjdk-21-openj9
0.48.0-r2
openjdk-6
6b18-1.8.13-0+squeeze2
Timeline
Publicly disclosed
Jun 12, 2012
Added to Industry KEV feed
Mar 14, 2013
Added to CISA KEV
Mar 3, 2022
Added to CIRCL KEV
Mar 3, 2022
Added to ENISA EUVD
Mar 3, 2022
Last updated
Aug 6, 2026
Weakness Type
- CWE-284 Improper Access Control
References
- advisoryRHSA-2012:0734
- advisoryRHSA-2012:0729
- advisoryRHSA-2012:0730
- advisoryRHSA-2012:0734
- advisoryRHSA-2012:1009
FAQ
Common Questions.
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 update 4 and earlier, 6 update 32 and earlier, 5 update 35 and earlier, and 1.4.2_37 and earlier allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to Hotspot.
Affected: Jdk (Oracle) versions 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update12, 1.5.0-update13, 1.5.0-update14, 1.5.0-update15; Jre (Oracle) versions 1.5.0, 1.5.0-update1, 1.5.0-update10, 1.5.0-update11, 1.5.0-update12, 1.5.0-update13, 1.5.0-update14, 1.5.0-update15; Icedtea6 (Redhat), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 14, 2013 and is known to be used in ransomware campaigns.
Yes. It was added on Mar 3, 2022 with a federal remediation due date of Mar 24, 2022.
Public exploit code is available.
Fixed versions are available, including java 1.6.0-openjdk-1:1.6.0.0-1.27.1.10.8.el5_8, java 1.7.0-openjdk-1:1.7.0.5-2.2.1.el6_3, java-1_7_0-openjdk 1.7.0.121-1.1.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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