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ExploitedIn CISA KEVFix available

CVE-2016-3427

Exploitation confirmed. First attested on 2023-05-12 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2016-04-21
  • 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 Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.

Timeline

dates in UTC
  1. 2016-04-2111:00CVE publishedNVD
  2. 2023-05-12Added to the CISA KEV catalogCISA KEV
  3. 2023-05-12Listed as exploited by GCVEGCVE
  4. 2023-05-12Exploitation first reportedCISA KEV
  5. 2024-10-0815:06SSVC exploitation set to activeCISA-ADP
  6. 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-2016-3427?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-3427?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Redhat enterprise linux eus
BranchAffectedFixed in
6.7= 6.7no fix published
7.2= 7.2no fix published
7.3= 7.3no fix published
7.4= 7.4no fix published
7.5= 7.5no fix published
7.6= 7.6no fix published
7.7= 7.7no fix published
Apache cassandra
BranchAffectedFixed in
3.11≥ 3.11.0, < 3.11.83.11.8
3.0≥ 3.0.0, < 3.0.223.0.22
2.2≥ 2.2.0, < 2.2.182.2.18
2.1≥ 2.1.0, < 2.1.222.1.22
4.0= 4.0.0no fix published
Redhat enterprise linux server aus
BranchAffectedFixed in
7.2= 7.2no fix published
7.3= 7.3no fix published
7.4= 7.4no fix published
7.6= 7.6no fix published
7.7= 7.7no fix published

35 more products in the sources.

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

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • RHSA-2017:1216 Red Hat Product Security10 products fixed

    Red Hat Security Advisory: java-1.7.1-ibm security update

Full record on NVD

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2023-06-02
  2. Vendor fix Red Hat Product Security RHSA-2017:1216 · 10 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

CISA Known Exploited Vulnerability

Date Added
2023-05-12
Patch Due Date
2023-06-02
Ransomware Use
Unknown
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
2016-04-21
Last Modified
2026-06-17
NVD status
Analyzed

Frequently asked questions

What is CVE-2016-3427?

Unspecified vulnerability in Oracle Java SE 6u113, 7u99, and 8u77; Java SE Embedded 8u77; and JRockit R28.3.9 allows remote attackers to affect confidentiality, integrity, and availability via vectors related to JMX.

Is CVE-2016-3427 actively exploited?

Yes. CVE-2016-3427 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 2023-06-02.

What is the CVSS score for CVE-2016-3427?

CVE-2016-3427 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.

Running java-1.7.1-ibm? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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