CVE-2020-21531

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

1.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 62.0% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2021-09-16 00:00Z4 YR AGO

Last updated

2024-08-04 14:30Z2 YR AGO

Reserved

2020-08-13

Assigning CNA

mitre

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
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

2eecb3c193cdf6e4005b960522fd98c253d0c17820eb7c1d82f6d4f06cf3494d

• sourceforge.nethttps://sourceforge.net/p/mcj/tickets/63/
• lists.debian.org[debian-lts-announce] 20211004 [SECURITY] [DLA 2778-1] fig2dev security updatehttps://lists.debian.org/debian-lts-announce/2021/10/msg00002.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20230131 [SECURITY] [DLA 3304-1] fig2dev security updatehttps://lists.debian.org/debian-lts-announce/2023/01/msg00044.htmlmailing-list