How severe is CVE-2019-3970?

CVE-2019-3970 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-3970 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3970?

CVE-2019-3970 affects Comodo Antivirus. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3970?

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

When was CVE-2019-3970 published?

CVE-2019-3970 was published on 2019-07-17 and last updated on 2026-06-17.

CVE-2019-3970

CVE-2019-3970 is a medium-severity vulnerability in Comodo Antivirus with a CVSS 3.x base score of 5.5. 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-668.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Comodo Antivirus
Published: 2019-07-17
Last modified: 2026-06-17

Description

Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to Arbitrary File Write due to Cavwp.exe handling of Comodo's Antivirus database. Cavwp.exe loads Comodo antivirus definition database in unsecured global section objects, allowing a local low privileged process to modify this data directly and change virus signatures.

Frequently asked questions

What is CVE-2019-3970?: Comodo Antivirus versions up to 12.0.0.6810 are vulnerable to Arbitrary File Write due to Cavwp.exe handling of Comodo's Antivirus database. Cavwp.exe loads Comodo antivirus definition database in unsecured global section objects, allowing a local low privileged process to modify this data directly and change virus signatures.
How severe is CVE-2019-3970?: CVE-2019-3970 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-3970 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3970?: CVE-2019-3970 affects Comodo Antivirus. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3970?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3970 published?: CVE-2019-3970 was published on 2019-07-17 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2019-34

Affected products (1)

cpe:2.3:a:comodo:antivirus:*:*:*:*:*:*:*:*

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