A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService of Bitdefender Endpoint Security Tools allows an attacker to use the Endpoint Protection relay as a proxy for any remote host. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint for Linux versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.
Published 2021-11-24 16:15:14
Updated 2021-11-30 20:32:29
Source Bitdefender
View at NVD,   CVE.org
Vulnerability category: Server-side request forgery (SSRF)

Exploit prediction scoring system (EPSS) score for CVE-2021-3553

0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-3553

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N
10.0
2.9
NIST
5.3
MEDIUM CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
1.6
3.6
Bitdefender
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

CWE ids for CVE-2021-3553

  • The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
    Assigned by:
    • cve-requests@bitdefender.com (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-3553

Products affected by CVE-2021-3553

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