How severe is CVE-2020-8100?

CVE-2020-8100 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-8100 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8100?

CVE-2020-8100 affects Bitdefender Engines. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8100?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-8100 published?

CVE-2020-8100 was published on 2020-05-15 and last updated on 2026-06-17.

CVE-2020-8100

CVE-2020-8100 is a critical-severity vulnerability in Bitdefender Engines with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Bitdefender Engines
Published: 2020-05-15
Last modified: 2026-06-17

Description

Improper Input Validation vulnerability in the cevakrnl.rv0 module as used in the Bitdefender Engines allows an attacker to trigger a denial of service while scanning a specially-crafted sample. This issue affects: Bitdefender Bitdefender Engines versions prior to 7.84063.

Frequently asked questions

What is CVE-2020-8100?: Improper Input Validation vulnerability in the cevakrnl.rv0 module as used in the Bitdefender Engines allows an attacker to trigger a denial of service while scanning a specially-crafted sample. This issue affects: Bitdefender Bitdefender Engines versions prior to 7.84063.
How severe is CVE-2020-8100?: CVE-2020-8100 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-8100 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8100?: CVE-2020-8100 affects Bitdefender Engines. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8100?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-8100 published?: CVE-2020-8100 was published on 2020-05-15 and last updated on 2026-06-17.

References

https://www.bitdefender.com/support/security-advisories/incomplete-validation-detection-code-bitdefender-engines-va-8589/

Affected products (1)

cpe:2.3:a:bitdefender:engines:*:*:*:*:*:*:*:*

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