CVE-2021-3552
mediumpriority · track · 30EPSS 0.013 · 71 %ileEUUSEPSS · scored 2026-10-27
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. Bitdefender GravityZone 6.24.1-1.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- bitdefender endpoint security tools< 6.2.21.160nvdUScpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*
- bitdefender endpoint security tools6.6.27.0 → 6.6.27.390nvdUScpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*
- bitdefender endpoint security tools7.0.0.00 → 7.1.2.33nvdUScpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2021-3552cnnvd
- https://www.bitdefender.com/support/security-advisories/insufficient-validation-regular-expression-eppupdateservice-config-file-va-9825cnnvd
- https://www.bitdefender.com/support/security-advisories/insufficient-validation-regular-expression-eppupdateservice-config-file-va-9825enisa_euvd
- https://www.bitdefender.com/support/security-advisories/insufficient-validation-regular-expression-eppupdateservice-config-file-va-9825Broken Linknvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan