CVE-2021-33035

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

50.56% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 98.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2021-09-23 08:10Z5 YR AGO

Last updated

2024-08-03 23:42Z2 YR AGO

Reserved

2021-05-15

Assigning CNA

apache

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.1

Document digest

9317b53df07b5eb4e2bd9797150b0be3b598401c26e08631e95b0b9d3f328686

• github.comhttps://github.com/apache/openoffice/commit/efddaef0151af3be16078cc4d88c6bae0f911e56#diff-ea66e734dd358922aba12ad4ba39c96bdc6cbde587d07dbc63d04daa0a30e90fx_refsource_MISC
• lists.apache.org[announce] 20211007 CVE-2021-33035: Apache OpenOffice: Buffer overflow from a crafted DBF filehttps://lists.apache.org/thread.html/r929c0c6a53cad64a1007b878342756badbb05ddd9b8f31a6d0b424cb%40%3Cannounce.apache.org%3Emailing-listx_refsource_MLIST
• lists.apache.org[openoffice-users] 20211007 CVE-2021-33035: Apache OpenOffice: Buffer overflow from a crafted DBF filehttps://lists.apache.org/thread.html/r1ab8532e11f41bc7ca057ac7e39cab25f2e1f9d5f4929788ae21c8b9%40%3Cusers.openoffice.apache.org%3Emailing-listx_refsource_MLIST
• www.openwall.com[oss-security] 20211007 CVE-2021-33035: Apache OpenOffice: Buffer overflow from a crafted DBF filehttp://www.openwall.com/lists/oss-security/2021/10/07/3mailing-listx_refsource_MLIST