CVE-2021-40266

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 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

0.96% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 58.8% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/I:N/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

2023-08-22 00:00Z3 YR AGO

Last updated

2024-10-03 18:00Z1 YR AGO

Reserved

2021-08-30

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.1

Document digest

1bd05b477e9a602fe42581fd7598f0c513c284651766c86d72571ec2359d6aad

• sourceforge.nethttps://sourceforge.net/p/freeimage/bugs/334/
• lists.fedoraproject.orgFEDORA-2023-604a7d56b0https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M6GKMK74POW3RU7F4HLUJE7XEFLQDO35/vendor-advisory
• lists.fedoraproject.orgFEDORA-2023-8e640cb540https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HFRQ76ZDPSWT7OH6FJDLSFWBXVBE6JDN/vendor-advisory