9.8

CVE-2021-45427: emerson xweb300d_evo_firmware Path Traversal

CVSS: 9.8v3.1CriticalModified
Published 30-12-2021Last modified 04-08-2024

Vulnerability summary

CVE-2021-45427 is a critical (CVSS 9.8) Path Traversal vulnerability in emerson xweb300d_evo_firmware. EPSS estimates a 19.19% chance of exploitation in the next 30 days, higher than 97.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
19.19%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file deletion due to path traversal. An attacker can browse and delete files without any authentication due to incorrect access control and directory traversal.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

19.19%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

0.00 pp

From 19.19% on 21-09-2026

21-09-202621-10-2026
EPSS score
19.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (drive.google.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Emerson1 product

1 vendor · 1 product

References

3 links