HOMEVULNERABILITIESCVE-2021-2163
MEDIUM

CVE-2021-2163

NVD-CWE-noinfoPublished: April 22, 2021· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

Vulnerability in the Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Libraries). Supported versions that are affected are Java SE: 7u291, 8u281, 11.0.10, 16; Java SE Embedded: 8u281; Oracle GraalVM Enterprise Edition: 19.3.5, 20.3.1.2 and 21.0.0.2. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Java SE, Java SE Embedded, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N).

NVD Source

Technical Analysis

CVE-2021-2163 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in full integrity compromise (data manipulation), with a CVSS base score of 5.3.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected Vendors & Products

Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
netapp5 product(s)
active iq unified managerhci management nodesolidfirehci compute nodehci storage node
Oracle4 product(s)
jdkjregraalvmopenjdk
Source: NVD CPE · 22 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://www.oracle.com/security-alerts/cpuapr2021.html
PATCHhttps://www.oracle.com/security-alerts/cpuapr2021.html
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
ADVISORYhttps://security.gentoo.org/glsa/202209-05
ADVISORYhttps://security.netapp.com/advisory/ntap-20210513-0001/
ADVISORYhttps://www.debian.org/security/2021/dsa-4899
ADVISORYhttps://lists.debian.org/debian-lts-announce/2021/04/msg00021.html
ADVISORYhttps://security.gentoo.org/glsa/202209-05
ADVISORYhttps://security.netapp.com/advisory/ntap-20210513-0001/
ADVISORYhttps://www.debian.org/security/2021/dsa-4899

All References (22)

→
https://lists.debian.org/debian-lts-announce/2021/04/msg00021.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/
→
https://security.gentoo.org/glsa/202209-05Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20210513-0001/Third Party Advisory
→
https://www.debian.org/security/2021/dsa-4899Mailing List · Third Party Advisory
→
https://www.oracle.com/security-alerts/cpuapr2021.htmlPatch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2021/04/msg00021.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/

Quick Facts

CVE IDCVE-2021-2163
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected4 vendor(s)
PublishedApr 22, 2021

Related CVEs (NVD-CWE-noinfo)

CVE-2006-5611
10.0
CVE-2006-5616
10.0
CVE-2009-0718
10.0
CVE-2006-5359
10.0
CVE-2006-5323
10.0
CVE-2009-1266
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-2163 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2021-2163·NVD