CVE-2021-2161

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

3.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 86.7% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-04-22 21:53Z5 YR AGO

Last updated

2024-09-26 15:33Z1 YR AGO

Reserved

2020-12-09

Assigning CNA

oracle

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')Base

Data version

5.1

Document digest

5334358fb9695e41385b35b117ecd29aebb94c328e578ff6b24290907b364c7f

• www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2021.htmlx_refsource_MISC
• lists.debian.org[debian-lts-announce] 20210423 [SECURITY] [DLA 2634-1] openjdk-8 security updatehttps://lists.debian.org/debian-lts-announce/2021/04/msg00021.htmlmailing-listx_refsource_MLIST
• www.debian.orgDSA-4899https://www.debian.org/security/2021/dsa-4899vendor-advisoryx_refsource_DEBIAN
• lists.fedoraproject.orgFEDORA-2021-6eb9bbbf0chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAULPCQFLAMBJIS27YLNNX6IHRFJMVP4/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-65aa196c14https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MVDY4T5XMSYDQT6RRKPMRCV4MVGS7KXF/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-25b47f16afhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5ACX4JEVYH6H4PSMGMYWTGABPOFPH3TS/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-8b80ef64f1https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CFXOKM2233JVGYDOWW77BN54X3GZTIBK/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-f71b592e07https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CG7EWXSO6JUCVHP7R3SOZQ7WPNBOISJH/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-b88e86b753https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UD3JEP4HPLK7MNZHVUMKIJPBP74M3A2V/vendor-advisoryx_refsource_FEDORA
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210513-0001/x_refsource_CONFIRM
• docs.azul.comhttps://docs.azul.com/core/zulu-openjdk/release-notes/april-2021.html#fixed-common-vulnerabilities-and-exposuresx_refsource_MISC
• kc.mcafee.comhttps://kc.mcafee.com/corporate/index?page=content&id=SB10366x_refsource_CONFIRM
• security.gentoo.orgGLSA-202209-05https://security.gentoo.org/glsa/202209-05vendor-advisoryx_refsource_GENTOO