How severe is CVE-2020-15731?

CVE-2020-15731 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-15731 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15731?

CVE-2020-15731 affects Bitdefender Engines. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15731?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-15731 published?

CVE-2020-15731 was published on 2020-09-30 and last updated on 2026-06-17.

CVE-2020-15731

CVE-2020-15731 is a low-severity vulnerability in Bitdefender Engines with a CVSS 3.x base score of 3.2. 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: Low (CVSS 3.x base score 3.2)
CVSS v2: 4.3
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Bitdefender Engines
Published: 2020-09-30
Last modified: 2026-06-17

Description

An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.

Frequently asked questions

What is CVE-2020-15731?: An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.
How severe is CVE-2020-15731?: CVE-2020-15731 has a CVSS 3.x base score of 3.2, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-15731 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15731?: CVE-2020-15731 affects Bitdefender Engines. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15731?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15731 published?: CVE-2020-15731 was published on 2020-09-30 and last updated on 2026-06-17.

References

https://www.bitdefender.com/support/security-advisories/local-privilege-escalation-in-bitdefender-engines-va-8953

Affected products (1)

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

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