What is CVE-2021-45421?

CVE-2021-45421 is a high-severity vulnerability in Emerson Dixell Xweb-500, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-02-14.

How severe is CVE-2021-45421?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-45421 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Emerson Dixell Xweb-500

CVE-2021-45421

Emerson Dixell XWEB-500 products are affected by information disclosure via directory listing. A potential attacker can use this misconfiguration to access all the files in the remote directories. Note: the product has not been supported since 2018 and should be removed or replaced.

Vulnerability class: Information Disclosure

Published 2022-02-14 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.013 (68.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

af854a3a-2127-422b-91ae-364da2661108 (Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Product)
www.swascan.com/emerson (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-45421?: CVE-2021-45421 is a high-severity vulnerability in Emerson Dixell Xweb-500, classified under Information Disclosure. CVSS score: 7.5/10. Published 2022-02-14.
How severe is CVE-2021-45421?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-45421 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.