CVE-2021-33695CWE-297

Potentially, SAP Cloud Connector, version - 2.0 communication with the backend is accepted without sufficient validation of the certificate

Medium · published September 15, 2021

CVSS v3.0
6.8
EPSS
1%
Percentile
45.8
In the wild
Unconfirmed
What it is

⚠️ Watch out! An improperly validated certificate in SAP Cloud Connector could let an attacker slip into the backend without a proper check. 🔍 Imagine a restaurant that serves anyone who walks in, without checking if they're on the guest list. This flaw allows someone with a fake reservation to walk right into the kitchen, where all the secrets are. Without sufficient validation of the certificate, an attacker could potentially intercept or manipulate communications with the backend, leading to unauthorized access or data exposure. While it’s classified as medium severity, the implications could still compromise sensitive information and operations.

Put simply

Imagine a restaurant that serves anyone who walks in, without checking if they're on the guest list. This flaw allows someone with a fake reservation to walk right into the kitchen, where all the secrets are. This vulnerability in SAP Cloud Connector 2.0 allows for insecure communication with the backend server due to inadequate certificate validation. As a result, an attacker could exploit this oversight to perform man-in-the-middle attacks or impersonate trusted services.

What to do

Without sufficient validation of the certificate, an attacker could potentially intercept or manipulate communications with the backend, leading to unauthorized access or data exposure. While it’s classified as medium severity, the implications could still compromise sensitive information and operations. To remediate this issue, ensure that the latest version of SAP Cloud Connector is installed, which may include improved certificate validation. Conduct a security audit on current configurations to verify that only trusted certificates are accepted for backend communication. 📜 You’ve got this! By following these steps, you can tighten up security and keep your data safe! 🛡️

The record
Technical detail
CVSS v3.0
6.8 · MEDIUM
Vector
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00559 · 45.8th percentile
Weakness
CWE-297 · Improper Validation of Certificate with Host Mismatch
Published
2021-09-15T18:01Z
EPSS history
Timeline
  • 15 SEP 18:01Z
    Potentially, SAP Cloud Connector, version - 2.0 communication with the backend is accepted without sufficient validation of the certificate
    cvelistv5