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.

Published: 2012-03-21 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2012-1426 is rated Moderate Risk (57.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 90.13%, 100th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +89.78% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-1426

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.35% 90.13% +89.78%
2 2025-06-03 0.47% 0.35% -0.13%
3 2025-03-17 — 0.47% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1426

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-1426

Affected software / configurations for CVE-2012-1426

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

References for CVE-2012-1426

cvelogic Threat Intelligence