CVE-2021-3782

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

0.31% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 22.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-09-23 15:26Z3 YR AGO

Last updated

2025-05-22 18:21Z1 YR AGO

Reserved

2021-09-09

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 6.6)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase
• CWE-911Improper Update of Reference CountBase

Data version

5.1

Document digest

d39cf85aa1d25c807f9cce1ac10a21537d6f31d74277e2b32444f31dad61774e

• gitlab.freedesktop.orghttps://gitlab.freedesktop.org/wayland/wayland/-/issues/224x_refsource_MISC