CVE-2021-39613

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 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

1.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 75.4% 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

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2021-08-23 21:20Z5 YR AGO

Last updated

2024-08-04 02:13Z2 YR AGO

Reserved

2021-08-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-798Use of Hard-coded CredentialsBase

Data version

5.1

Document digest

83932f9167c7929d952d77cac8b4bf753146b305b08ce89a3ea08e15952bf198

• www.dlink.comhttps://www.dlink.com/en/security-bulletin/x_refsource_MISC
• supportannouncement.us.dlink.comhttps://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10237x_refsource_MISC
• www.nussko.comhttps://www.nussko.com/advisories/advisory-2021-08-01.txtx_refsource_MISC