Cyber Resilience

CVE-2021-3552

Medium

Published: 24 November 2021

Published
24 November 2021
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0030 53.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-3552 is a medium-severity SSRF (CWE-918) vulnerability in Bitdefender Endpoint Security Tools. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 46.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33.…

more

Bitdefender GravityZone 6.24.1-1.

CWE(s)
CWE-918

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

bitdefender
endpoint security tools
≤ 6.2.21.160 · 6.6.27.0 — 6.6.27.390 · 7.0.0.00 — 7.1.2.33
bitdefender
gravityzone
6.24.1-1

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

CA-8 Penetration Testing
addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

SC-7 Boundary Protection
addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

SI-10 Information Input Validation
addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

SI-4 System Monitoring
addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References