CVE-2021-43784

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

1.67% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 75.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. 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

2021-12-06 00:00Z4 YR AGO

Last updated

2024-10-15 17:14Z1 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.0)

CNA CVSS vector

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

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

ec78bb030ba41c2fe246a4f7e5f8f03a22077c3da9860e4fde890c450f631343

• github.comhttps://github.com/opencontainers/runc/security/advisories/GHSA-v95c-p5hm-xq8f
• github.comhttps://github.com/opencontainers/runc/commit/9c444070ec7bb83995dbc0185da68284da71c554
• github.comhttps://github.com/opencontainers/runc/commit/d72d057ba794164c3cce9451a00b72a78b25e1ae
• github.comhttps://github.com/opencontainers/runc/commit/f50369af4b571e358f20b139eea52d612eb55eed
• bugs.chromium.orghttps://bugs.chromium.org/p/project-zero/issues/detail?id=2241
• lists.debian.org[debian-lts-announce] 20211206 [SECURITY] [DLA 2841-1] runc security updatehttps://lists.debian.org/debian-lts-announce/2021/12/msg00005.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20240219 [SECURITY] [DLA 3735-1] runc security updatehttps://lists.debian.org/debian-lts-announce/2024/02/msg00005.htmlmailing-list