How severe is CVE-2012-1426?

CVE-2012-1426 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-1426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1426?

CVE-2012-1426 primarily affects Authentium Command Antivirus. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1426?

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

When was CVE-2012-1426 published?

CVE-2012-1426 was published on 2012-03-21 and last updated on 2026-06-16.

CVE-2012-1426

CVE-2012-1426 is a medium-severity vulnerability in Authentium Command Antivirus with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 90% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 90% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Authentium Command Antivirus
Published: 2012-03-21
Last modified: 2026-06-16

Description

The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, F-Prot Antivirus 4.6.2.117, K7 AntiVirus 9.77.3565, Norman Antivirus 6.06.12, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \42\5A\68 character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.

Frequently asked questions

What is CVE-2012-1426?: The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, F-Prot Antivirus 4.6.2.117, K7 AntiVirus 9.77.3565, Norman Antivirus 6.06.12, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \42\5A\68 character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.
How severe is CVE-2012-1426?: CVE-2012-1426 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-1426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 90% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1426?: CVE-2012-1426 primarily affects Authentium Command Antivirus. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1426 published?: CVE-2012-1426 was published on 2012-03-21 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:authentium:command_antivirus:5.2.11.5:*:*:*:*:*:*:*
cpe:2.3:a:cat:quick_heal:11.00:*:*:*:*:*:*:*
cpe:2.3:a:f-prot:f-prot_antivirus:4.6.2.117:*:*:*:*:*:*:*
cpe:2.3:a:k7computing:antivirus:9.77.3565:*:*:*:*:*:*:*
cpe:2.3:a:norman:norman_antivirus_\&_antispyware:6.06.12:*:*:*:*:*:*:*
cpe:2.3:a:rising-global:rising_antivirus:22.83.00.03:*:*:*:*:*:*:*

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