What is the CVSS score of CVE-2021-45421?

CVE-2021-45421 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 1.6%.

Is there a public PoC exploit available for CVE-2021-45421?

Yes, a public proof-of-concept exploit is available for CVE-2021-45421. Prioritise patching immediately. EPSS: 1.6%.

Dixell Xweb 500 Firmware CVE-2021-45421

HIGH

Information Exposure (CWE-200)

2022-02-14 cve@mitre.org

Information Disclosure Dixell Xweb 500 Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Feb 14, 2022 - 14:15 nvd

HIGH 7.5

DescriptionNVD

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.

AnalysisAI

Emerson Dixell XWEB-500 products are affected by information disclosure via directory listing. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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. Affected products include: Emerson Dixell Xweb-500 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.