CVE-2021-3991

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 23.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. 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

2024-11-15 10:52Z1 YR AGO

Last updated

2024-11-15 18:26Z1 YR AGO

Reserved

2021-11-20

Assigning CNA

@huntr_ai

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weaknesses

• CWE-285Improper AuthorizationClass
• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.1

Document digest

97fdeb9ad9a4e472f8afb4b2f601a705253f1848b051856973dd9d4c7e982b8b

• huntr.comhttps://huntr.com/bounties/58ddbd8a-0faf-4b3f-aec9-5850bb19ab67
• github.comhttps://github.com/dolibarr/dolibarr/commit/63cd06394f39d60784d6e6a0ccf4867a71a6568f