7.3
HIGH
CVE-2020-28396
SICAM A8000 CP-8000/CP-8021/CP-8022 Insecure Cipher Misconfiguration Vulnerability
Description

A vulnerability has been identified in SICAM A8000 CP-8000 (All versions < V16), SICAM A8000 CP-8021 (All versions < V16), SICAM A8000 CP-8022 (All versions < V16). A web server misconfiguration of the affected device can cause insecure ciphers usage by a user´s browser. An attacker in a privileged position could decrypt the communication and compromise confidentiality and integrity of the transmitted information.

INFO

Published Date :

Dec. 14, 2020, 9:15 p.m.

Last Modified :

Aug. 6, 2022, 3:53 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.2

Exploitability Score :

2.1
Affected Products

The following products are affected by CVE-2020-28396 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens sicam_a8000_cp-8000_firmware
2 Siemens sicam_a8000_cp-8021_firmware
3 Siemens sicam_a8000_cp-8022_firmware
: Total Affected Vendor : 1 | Products : 3
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-28396.

URL Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-415783.pdf Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-062/ Not Applicable

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-28396 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-28396 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Aug. 06, 2022

    Action Type Old Value New Value
    Changed Reference Type https://www.zerodayinitiative.com/advisories/ZDI-21-062/ No Types Assigned https://www.zerodayinitiative.com/advisories/ZDI-21-062/ Not Applicable
    Added CWE NIST CWE-327
  • CVE Modified by [email protected]

    Jan. 14, 2021

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-21-062/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Dec. 16, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-415783.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-415783.pdf Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_a8000_cp-8000_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 16 OR cpe:2.3:h:siemens:sicam_a8000_cp-8000:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_a8000_cp-8021_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 16 OR cpe:2.3:h:siemens:sicam_a8000_cp-8021:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_a8000_cp-8022_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 16 OR cpe:2.3:h:siemens:sicam_a8000_cp-8022:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-28396 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-28396 weaknesses.

CAPEC-20: Encryption Brute Forcing Encryption Brute Forcing CAPEC-97: Cryptanalysis Cryptanalysis CAPEC-459: Creating a Rogue Certification Authority Certificate Creating a Rogue Certification Authority Certificate CAPEC-473: Signature Spoof Signature Spoof CAPEC-475: Signature Spoofing by Improper Validation Signature Spoofing by Improper Validation CAPEC-608: Cryptanalysis of Cellular Encryption Cryptanalysis of Cellular Encryption CAPEC-614: Rooting SIM Cards Rooting SIM Cards CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs Accessing Functionality Not Properly Constrained by ACLs CAPEC-17: Using Malicious Files Using Malicious Files CAPEC-20: Encryption Brute Forcing Encryption Brute Forcing CAPEC-22: Exploiting Trust in Client Exploiting Trust in Client CAPEC-36: Using Unpublished Interfaces or Functionality Using Unpublished Interfaces or Functionality CAPEC-51: Poison Web Service Registry Poison Web Service Registry CAPEC-57: Utilizing REST's Trust in the System Resource to Obtain Sensitive Data Utilizing REST's Trust in the System Resource to Obtain Sensitive Data CAPEC-59: Session Credential Falsification through Prediction Session Credential Falsification through Prediction CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-74: Manipulating State Manipulating State CAPEC-87: Forceful Browsing Forceful Browsing CAPEC-107: Cross Site Tracing Cross Site Tracing CAPEC-127: Directory Indexing Directory Indexing CAPEC-237: Escaping a Sandbox by Calling Code in Another Language Escaping a Sandbox by Calling Code in Another Language CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content CAPEC-480: Escaping Virtualization Escaping Virtualization CAPEC-668: Key Negotiation of Bluetooth Attack (KNOB) Key Negotiation of Bluetooth Attack (KNOB)
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.06 }} 0.00%

score

0.21795

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: