How severe is CVE-2012-1420?

No CVSS score has been assigned to CVE-2012-1420 yet. Review the advisory details and affected package list to assess your exposure.

Which packages are affected by CVE-2012-1420?

Affected package information for CVE-2012-1420 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2012-1420?

No fixed version has been published for CVE-2012-1420 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2012-1420 actively exploited in the wild?

No public exploit code has been indexed for CVE-2012-1420 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2012-1420?

CVE-2012-1420 has an EPSS (Exploit Prediction Scoring System) score of 97.1%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2012-1420?

CVE-2012-1420 is classified as CWE-264 (CWE-264). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2012-1420?

CVE-2012-1420 affects authentium command antivirus (1 version, e.g. 5.2.11.5); cat quick heal (1 version, e.g. 11.00); eset nod32 antivirus (1 version, e.g. 5795); f-prot f-prot antivirus (1 version, e.g. 4.6.2.117), and 7 more product(s). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2012-1420 published, and has it been updated?

CVE-2012-1420 was published on March 21, 2012 and was last updated on April 29, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CVE-2012-1420: Command Antivirus CWE-264

EPSS Exploitation Probability

via FIRST.org ↗

97.1%probability of exploitation in next 30 days

Very High Risk100th percentile+80.68%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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, Fortinet Antivirus 4.2.254.0, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, Panda Antivirus 10.0.2.7, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \7fELF 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.

Affected Products

11 products · 11 configurations

Application

command antivirusauthentium

1 version

5.2.11.5

Application

quick healcat

1 version

11.00

Application

nod32 antiviruseset

1 version

5795

Application

f-prot antivirusf-prot

1 version

4.6.2.117

Application

fortinet antivirusfortinet

1 version

4.2.254.0

Application

antivirusk7computing

1 version

9.77.3565

Frequently Asked Questions

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, Fortinet Antivirus 4.2.254.0, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, Panda Antivirus 10.0.2.7, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \7fELF character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the

O3 Security · Impact-Aware SCA

Is CVE-2012-1420 in your stack?

O3 detects CVE-2012-1420 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

Scan my stack How O3 SCA works