CVE-2021-45427
Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file deletion due...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
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.
- Record
CVE-2021-45427- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2021-45427- Updated
- 2026-11-02
EUVDEUVD-2021-32198 No score
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.
- Record
EUVD-2021-32198- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6crc-x5g7-hpmc No score
Emerson XWEB 300D EVO 3.0.7--3ee403 is affected by: unauthenticated arbitrary file deletion due...
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.
- Record
GHSA-6crc-x5g7-hpmc- Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-45427 is a critical vulnerability (CVSS 9.8) in Emerson Xweb300d Evo Firmware, published December 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 19.2%, the 97th percentile. No source names a fixed version.
References
drive.google.com/file/d/1RegGlCrtyQwW9DUirAbPDiIHKBWgsBea/view?usp=sharing
drive.google.com/file/d/1IN7p9OKRgdszMVC1TKuZQDa4ySCPmQzO/view?usp=sharing
drive.google.com/file/d/1iusYdheb62dom0DnvAzEiNR-e4EXSf2k/view?usp=sharing
nvd.nist.gov/vuln/detail/CVE-2021-45427
github.com/advisories/GHSA-6crc-x5g7-hpmc