CVE-2021-33547

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

2.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 86.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-09-13 17:55Z5 YR AGO

Last updated

2024-09-17 02:47Z2 YR AGO

Reserved

2021-05-24

Assigning CNA

CERTVDE

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-121Stack-based Buffer OverflowVariant

Data version

5.1

Document digest

7153866cbcb722e7e976b556ee09ae6ec08063b38d7e0396b8008dee3f3596bd

• www.randorisec.frhttps://www.randorisec.fr/fr/udp-technology-ip-camera-vulnerabilities/x_refsource_CONFIRM
• us-cert.cisa.govhttps://us-cert.cisa.gov/ics/advisories/icsa-21-208-03x_refsource_CONFIRM