What is the CVSS score of CVE-2021-26705?

CVE-2021-26705 has a CVSS 3.1 base score of 9.1 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 2.1%.

Is there a public PoC exploit available for CVE-2021-26705?

Yes, a public proof-of-concept exploit is available for CVE-2021-26705. Prioritise patching immediately. EPSS: 2.1%.

Catdv CVE-2021-26705

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2021-03-05 cve@mitre.org

Authentication Bypass Catdv

9.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Mar 05, 2021 - 19:15 nvd

CRITICAL 9.1

DescriptionNVD

An issue was discovered in SquareBox CatDV Server through 9.2. An attacker can invoke sensitive RMI methods such as getConnections without authentication, the results of which can be used to generate valid authentication tokens. These tokens can then be used to invoke administrative tasks within the application, such as disclosing password hashes.

AnalysisAI

An issue was discovered in SquareBox CatDV Server through 9.2. Rated critical severity (CVSS 9.1), 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 Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. An issue was discovered in SquareBox CatDV Server through 9.2. An attacker can invoke sensitive RMI methods such as getConnections without authentication, the results of which can be used to generate valid authentication tokens. These tokens can then be used to invoke administrative tasks within the application, such as disclosing password hashes. Affected products include: Squarebox Catdv. Version information: through 9.2..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.