CVE-2021-45491

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

0.80% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 53.8% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

2022-03-28 01:14Z4 YR AGO

Last updated

2024-08-04 04:39Z2 YR AGO

Reserved

2021-12-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-312Cleartext Storage of Sensitive InformationBase

Data version

5.1

Document digest

ddc197bcdb777a8efb37e5f0753993b504fa48c1edc7f067e37003f899e165de

• www.3cx.comhttps://www.3cx.com/community/forums/posts-articles-news/x_refsource_MISC
• packetstormsecurity.comhttp://packetstormsecurity.com/files/166386/3CX-Phone-System-Cleartext-Passwords.htmlx_refsource_MISC