How severe is CVE-2020-15732?

CVE-2020-15732 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-15732 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15732?

CVE-2020-15732 primarily affects Bitdefender Antivirus Plus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-15732?

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

When was CVE-2020-15732 published?

CVE-2020-15732 was published on 2021-06-22 and last updated on 2026-06-17.

CVE-2020-15732

CVE-2020-15732 is a medium-severity vulnerability in Bitdefender Antivirus Plus with a CVSS 3.x base score of 6.5. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Bitdefender Antivirus Plus
Published: 2021-06-22
Last modified: 2026-06-17

Description

Improper Certificate Validation vulnerability in the Online Threat Prevention module as used in Bitdefender Total Security allows an attacker to potentially bypass HTTP Strict Transport Security (HSTS) checks. This issue affects: Bitdefender Total Security versions prior to 25.0.7.29. Bitdefender Internet Security versions prior to 25.0.7.29. Bitdefender Antivirus Plus versions prior to 25.0.7.29.

Frequently asked questions

What is CVE-2020-15732?: Improper Certificate Validation vulnerability in the Online Threat Prevention module as used in Bitdefender Total Security allows an attacker to potentially bypass HTTP Strict Transport Security (HSTS) checks. This issue affects: Bitdefender Total Security versions prior to 25.0.7.29. Bitdefender Internet Security versions prior to 25.0.7.29. Bitdefender Antivirus Plus versions prior to 25.0.7.29.
How severe is CVE-2020-15732?: CVE-2020-15732 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-15732 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15732?: CVE-2020-15732 primarily affects Bitdefender Antivirus Plus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-15732?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15732 published?: CVE-2020-15732 was published on 2021-06-22 and last updated on 2026-06-17.

References

https://www.bitdefender.com/support/security-advisories/improper-certificate-validation-bitdefender-total-security-va-8957

Affected products (3)

cpe:2.3:a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:*
cpe:2.3:a:bitdefender:internet_security:*:*:*:*:*:*:*:*
cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*

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