CVE-2021-22931

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpacttotalSuccessful exploitation gives total 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

21.95% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 97.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

2021-08-16 00:00Z5 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-170Improper Null TerminationBase
• CWE-20Improper Input ValidationClass

Data version

5.1

Document digest

5c357b6afa976033c89ad1f06f0d70e112fb51a83b6ccd1498494b3ede4f2bbc

• nodejs.orghttps://nodejs.org/en/blog/vulnerability/aug-2021-security-releases/
• hackerone.comhttps://hackerone.com/reports/1178337
• www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2021.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20210923-0001/
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2022.html
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20211022-0003/
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.html
• security.gentoo.orgGLSA-202401-02https://security.gentoo.org/glsa/202401-02vendor-advisory