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ExploitedIn CISA KEV

CVE-2012-1723

Exploitation confirmed. First attested on 2022-03-03 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2012-06-16
  • WeaknessCWE-284

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2012-06-1621:55CVE publishedNVD
  2. 2022-03-03Listed as exploited by GCVEGCVE
  3. 2022-03-03Exploitation first reportedCISA KEV
  4. 2022-03-03Added to the CISA KEV catalogCISA KEV
  5. 2026-08-0520:52SSVC exploitation set to activeCISA-ADP
  6. 2026-10-2319:23First public proof of conceptPoC-in-GitHub
  7. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2012-1723?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2012-1723?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Java (Oracle JDK)
BranchAffectedFixed in
1.4≤ 1.4.2_37no fix published
1.5= 1.5.0no fix published
1.6= 1.6.0no fix published
1.7= 1.7.0no fix published
Java (Oracle JDK)
BranchAffectedFixed in
1.4≤ 1.4.2_37no fix published
1.5= 1.5.0no fix published
1.6= 1.6.0no fix published
1.7= 1.7.0no fix published
Redhat enterprise linux desktop
BranchAffectedFixed in
5.0= 5.0no fix published
6.0= 6.0no fix published

5 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-03-24

Advisories and patches

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedEthanNJC/CVE-2012-1723
PoC-in-GitHub

CISA Known Exploited Vulnerability

Date Added
2022-03-03
Patch Due Date
2022-03-24
Ransomware Use
Known
Required Action
Apply updates per vendor instructions.

Sources

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2012-06-16
Last Modified
2026-08-06
NVD status
Analyzed

Frequently asked questions

What is CVE-2012-1723?

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.

Is CVE-2012-1723 actively exploited?

Yes. CVE-2012-1723 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-03-24.

What is the CVSS score for CVE-2012-1723?

CVE-2012-1723 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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