CVE-2020-25229 Vulnerability Analysis & Exploit Details

CVE-2020-25229
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2020-25229 poses a critical security risk that could lead to severe breaches.

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: None
    No user interaction is necessary for exploitation.

CVE-2020-25229 Details

Status: Analyzed

Last updated: 🕠 25 Apr 2022, 17:47 UTC
Originally published on: 🕘 14 Dec 2020, 21:15 UTC

Time between publication and last update: 496 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2020-25229 Vulnerability Summary

CVE-2020-25229: A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). The implemented encryption for communication with affected devices is prone to replay attacks due to the usage of a static key. An attacker could change the password or change the configuration on any affected device if using prepared messages that were generated for another device.

Assessing the Risk of CVE-2020-25229

Access Complexity Graph

The exploitability of CVE-2020-25229 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-2020-25229

With low attack complexity and no required privileges, CVE-2020-25229 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-2020-25229, 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-2020-25229, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2020-25229 has no significant impact on data confidentiality.
  • Integrity: High
    CVE-2020-25229 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: None
    CVE-2020-25229 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: 0.078% (probability of exploit)

EPSS Percentile: 36.62% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 63.38% of others.

CVE-2020-25229 References

External References

CWE Common Weakness Enumeration

CWE-321

Vulnerable Configurations

  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.01:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.01:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.03:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.03:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.04:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.81.04:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.01:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.01:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.02:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.02:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.03:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.03:*:*:*:*:*:*:*
  • cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.04:*:*:*:*:*:*:*
    cpe:2.3:o:siemens:logo\!_8_bm_firmware:1.82.04:*:*:*:*:*:*:*
  • cpe:2.3:h:siemens:logo\!_8_bm:-:*:*:*:*:*:*:*
    cpe:2.3:h:siemens:logo\!_8_bm:-:*:*:*:*:*:*:*

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