How severe is CVE-2012-1421?

CVE-2012-1421 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-1421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 89% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1421?

CVE-2012-1421 primarily affects Cat Quick Heal. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-1421?

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

When was CVE-2012-1421 published?

CVE-2012-1421 was published on 2012-03-21 and last updated on 2026-06-16.

CVE-2012-1421

CVE-2012-1421 is a medium-severity vulnerability in Cat Quick Heal with a CVSS 2.0 base score of 4.3. Its EPSS exploit-prediction score of 89% 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: 89% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cat Quick Heal
Published: 2012-03-21
Last modified: 2026-06-16

Description

The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Norman Antivirus 6.06.12, Rising Antivirus 22.83.00.03, and AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial MSCF 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-2012-1421?: The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Norman Antivirus 6.06.12, Rising Antivirus 22.83.00.03, and AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial MSCF 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-2012-1421?: CVE-2012-1421 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-1421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 89% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1421?: CVE-2012-1421 primarily affects Cat Quick Heal. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-1421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1421 published?: CVE-2012-1421 was published on 2012-03-21 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:cat:quick_heal:11.00:*:*:*:*:*:*:*
cpe:2.3:a:norman:norman_antivirus_\&_antispyware:6.06.12:*:*:*:*:*:*:*
cpe:2.3:a:rising-global:rising_antivirus:22.83.00.03:*:*:*:*:*:*:*
cpe:2.3:a:symantec:endpoint_protection:11.0:*:*:*:*:*:*:*

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