How severe is CVE-2020-10180?

CVE-2020-10180 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10180 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10180?

CVE-2020-10180 primarily affects Eset Cyber Security. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-10180?

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-2020-10180 published?

CVE-2020-10180 was published on 2020-03-05 and last updated on 2026-06-17.

CVE-2020-10180

CVE-2020-10180 is a critical-severity vulnerability in Eset Cyber Security with a CVSS 3.x base score of 9.8. 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-436.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-436
Affected product: Eset Cyber Security
Published: 2020-03-05
Last modified: 2026-06-17

Description

The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop.

Frequently asked questions

What is CVE-2020-10180?: The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop.
How severe is CVE-2020-10180?: CVE-2020-10180 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10180 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10180?: CVE-2020-10180 primarily affects Eset Cyber Security. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-10180?: 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-2020-10180 published?: CVE-2020-10180 was published on 2020-03-05 and last updated on 2026-06-17.

References

https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html

Affected products (8)

cpe:2.3:a:eset:cyber_security:*:*:*:*:*:macos:*:*
cpe:2.3:a:eset:cyber_security:*:*:*:*:pro:macos:*:*
cpe:2.3:a:eset:mobile_security:*:*:*:*:*:android:*:*
cpe:2.3:a:eset:nod32_antivirus:*:*:*:*:*:*:*:*
cpe:2.3:a:eset:nod32_antivirus:4:*:*:*:*:linux:*:*
cpe:2.3:a:eset:smart_security:*:*:*:*:*:*:*:*
cpe:2.3:a:eset:smart_security:*:*:*:*:premium:*:*:*
cpe:2.3:a:eset:smart_tv_security:*:*:*:*:*:*:*:*

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