CVE-2021-22884

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

32.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 98.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2021-03-03 17:37Z5 YR AGO

Last updated

2025-04-30 22:24Z1 YR AGO

Reserved

2021-01-06

Assigning CNA

hackerone

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-350Reliance on Reverse DNS Resolution for a Security-Critical ActionVariant
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

9fbc54bfc33ff7fd39267221e1d5a04172bdc0e246bec6afbed72cfc22eec507

• hackerone.comhttps://hackerone.com/reports/1069487x_refsource_MISC
• nodejs.orghttps://nodejs.org/en/blog/vulnerability/february-2021-security-releases/x_refsource_MISC
• nodejs.orghttps://nodejs.org/en/blog/vulnerability/march-2018-security-releases/#node-js-inspector-dns-rebinding-vulnerability-cve-2018-7160x_refsource_MISC
• lists.fedoraproject.orgFEDORA-2021-a760169c3chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/E4FRS5ZVK4ZQ7XIJQNGIKUXG2DJFHLO7/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-f6bd75e9d4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F45Y7TXSU33MTKB6AGL2Q5V5ZOCNPKOG/vendor-advisoryx_refsource_FEDORA
• lists.fedoraproject.orgFEDORA-2021-6aaba80ba2https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSYFUGKFUSZ27M5TEZ3FKILWTWFJTFAZ/vendor-advisoryx_refsource_FEDORA
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210416-0001/x_refsource_CONFIRM
• www.oracle.comhttps://www.oracle.com//security-alerts/cpujul2021.htmlx_refsource_MISC
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlx_refsource_MISC
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210723-0001/x_refsource_CONFIRM
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfx_refsource_CONFIRM