CVE-2021-36326 Vulnerability Analysis & Exploit Details

CVE-2021-36326
Vulnerability Scoring

6.5
/10
High Risk

If left unpatched, CVE-2021-36326 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2021-36326 Details

Status: Modified

Last updated: 🕕 21 Nov 2024, 06:13 UTC
Originally published on: 🕘 30 Nov 2021, 21:15 UTC

Time between publication and last update: 1086 days

CVSS Release: version 3

CVSS3 Source

security_alert@emc.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2021-36326 Vulnerability Summary

CVE-2021-36326: Dell EMC Streaming Data Platform, versions prior to 1.3 contain an SSL Strip Vulnerability in the User Interface (UI). A remote unauthenticated attacker could potentially exploit this vulnerability, leading to a downgrade in the communications between the client and server into an unencrypted format.

Assessing the Risk of CVE-2021-36326

Access Complexity Graph

The exploitability of CVE-2021-36326 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2021-36326

With low attack complexity and no required privileges, CVE-2021-36326 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2021-36326, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2021-36326, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2021-36326 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2021-36326 poses no threat to data integrity.
  • Availability: None
    CVE-2021-36326 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.222% (probability of exploit)

EPSS Percentile: 60.83% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 39.17% of others.

CVE-2021-36326 References

External References

CWE Common Weakness Enumeration

CWE-757

CAPEC Common Attack Pattern Enumeration and Classification

  • Client-Server Protocol Manipulation CAPEC-220 An adversary takes advantage of weaknesses in the protocol by which a client and server are communicating to perform unexpected actions. Communication protocols are necessary to transfer messages between client and server applications. Moreover, different protocols may be used for different types of interactions.
  • Weakening of Cellular Encryption CAPEC-606 An attacker, with control of a Cellular Rogue Base Station or through cooperation with a Malicious Mobile Network Operator can force the mobile device (e.g., the retransmission device) to use no encryption (A5/0 mode) or to use easily breakable encryption (A5/1 or A5/2 mode).
  • Drop Encryption Level CAPEC-620 An attacker forces the encryption level to be lowered, thus enabling a successful attack against the encrypted data.

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