CVE-2021-46854

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

1.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 68.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2022-11-23 00:00Z3 YR AGO

Last updated

2025-04-28 20:17Z1 YR AGO

Reserved

2022-11-23

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.1

Document digest

4c63681eca2dbbb3e4a4022c47bc5350a0a1be445bdf5a31a290e4b003b2f405

• github.comhttps://github.com/proftpd/proftpd/issues/1284
• github.comhttps://github.com/proftpd/proftpd/pull/1285
• bugs.gentoo.orghttps://bugs.gentoo.org/811495
• www.proftpd.orghttp://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e
• security.gentoo.orgGLSA-202305-03https://security.gentoo.org/glsa/202305-03vendor-advisory