CVE-2012-1443

The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus 4.2.254.0, Antiy Labs AVL SDK 2.0.3.7, K7 AntiVirus 9.77.3565, Trend Micro HouseCall 9.120.0.1004, Kaspersky Anti-Virus 7.0.0.125, Jiangmin Antivirus 13.0.900, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, Sophos Anti-Virus 4.61.0, NOD32 Antivirus 5795, Avira AntiVir 7.11.1.163, Norman Antivirus 6.06.12, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Panda Antivirus 10.0.2.7, McAfee Gateway (formerly Webwasher) 2010.1C, Trend Micro AntiVirus 9.120.0.1004, Comodo Antivirus 7424, Bitdefender 7.2, eSafe 7.0.17.0, F-Secure Anti-Virus 9.0.16160.0, nProtect Anti-Virus 2011-01-17.01, AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, avast! Antivirus 4.8.1351.0 and 5.0.677.0, and VBA32 3.12.14.2 allows user-assisted remote attackers to bypass malware detection via a RAR file with an initial MZ character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different RAR parser implementations.

Published: 2012-03-21 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-1443 is rated Moderate Risk (46.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 50.21%, 98th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: 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-2012-1443

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 2025-06-03 56.55% 50.21% -6.34%
2 2025-03-30 59.07% 56.55% -2.52%
3 2025-03-29 59.07%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-1443

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-2012-1443

OS Trackers for CVE-2012-1443

vendor priority summary link
ubuntu medium CVE-2012-1443 medium priority: Ubuntu including 1 source packages (clamav), 7 status rows across 7 suites (hardy, lucid, maverick, natty, oneiric, precise, upstream): not-affected 5, ignored 1, needed 1. https://ubuntu.com/security/CVE-2012-1443

Affected software / configurations for CVE-2012-1443

Vendor Product Version Raw CPE
ahnlab v3_internet_security 2011.01.18.00 cpe:2.3:a:ahnlab:v3_internet_security:2011.01.18.00:*:*:*:*:*:*:*
aladdin esafe 7.0.17.0 cpe:2.3:a:aladdin:esafe:7.0.17.0:*:*:*:*:*:*:*
alwil avast_antivirus 4.8.1351.0 cpe:2.3:a:alwil:avast_antivirus:4.8.1351.0:*:*:*:*:*:*:*
alwil avast_antivirus 5.0.677.0 cpe:2.3:a:alwil:avast_antivirus:5.0.677.0:*:*:*:*:*:*:*
anti-virus vba32 3.12.14.2 cpe:2.3:a:anti-virus:vba32:3.12.14.2:*:*:*:*:*:*:*
antiy avl_sdk 2.0.3.7 cpe:2.3:a:antiy:avl_sdk:2.0.3.7:*:*:*:*:*:*:*
authentium command_antivirus 5.2.11.5 cpe:2.3:a:authentium:command_antivirus:5.2.11.5:*:*:*:*:*:*:*
avg avg_anti-virus 10.0.0.1190 cpe:2.3:a:avg:avg_anti-virus:10.0.0.1190:*:*:*:*:*:*:*
avira antivir 7.11.1.163 cpe:2.3:a:avira:antivir:7.11.1.163:*:*:*:*:*:*:*
bitdefender bitdefender 7.2 cpe:2.3:a:bitdefender:bitdefender:7.2:*:*:*:*:*:*:*
cat quick_heal 11.00 cpe:2.3:a:cat:quick_heal:11.00:*:*:*:*:*:*:*
clamav clamav 0.96.4 cpe:2.3:a:clamav:clamav:0.96.4:*:*:*:*:*:*:*
comodo comodo_antivirus 7424 cpe:2.3:a:comodo:comodo_antivirus:7424:*:*:*:*:*:*:*
emsisoft anti-malware 5.1.0.1 cpe:2.3:a:emsisoft:anti-malware:5.1.0.1:*:*:*:*:*:*:*
eset nod32_antivirus 5795 cpe:2.3:a:eset:nod32_antivirus:5795:*:*:*:*:*:*:*
f-prot f-prot_antivirus 4.6.2.117 cpe:2.3:a:f-prot:f-prot_antivirus:4.6.2.117:*:*:*:*:*:*:*
f-secure f-secure_anti-virus 9.0.16160.0 cpe:2.3:a:f-secure:f-secure_anti-virus:9.0.16160.0:*:*:*:*:*:*:*
fortinet fortinet_antivirus 4.2.254.0 cpe:2.3:a:fortinet:fortinet_antivirus:4.2.254.0:*:*:*:*:*:*:*
gdata-software g_data_antivirus 21 cpe:2.3:a:gdata-software:g_data_antivirus:21:*:*:*:*:*:*:*
ikarus ikarus_virus_utilities_t3_command_line_scanner 1.1.97.0 cpe:2.3:a:ikarus:ikarus_virus_utilities_t3_command_line_scanner:1.1.97.0:*:*:*:*:*:*:*
jiangmin jiangmin_antivirus 13.0.900 cpe:2.3:a:jiangmin:jiangmin_antivirus:13.0.900:*:*:*:*:*:*:*
k7computing antivirus 9.77.3565 cpe:2.3:a:k7computing:antivirus:9.77.3565:*:*:*:*:*:*:*
kaspersky kaspersky_anti-virus 7.0.0.125 cpe:2.3:a:kaspersky:kaspersky_anti-virus:7.0.0.125:*:*:*:*:*:*:*
mcafee gateway 2010.1c cpe:2.3:a:mcafee:gateway:2010.1c:*:*:*:*:*:*:*
mcafee scan_engine 5.400.0.1158 cpe:2.3:a:mcafee:scan_engine:5.400.0.1158:*:*:*:*:*:*:*
microsoft security_essentials 2.0 cpe:2.3:a:microsoft:security_essentials:2.0:*:*:*:*:*:*:*
norman norman_antivirus_\&_antispyware 6.06.12 cpe:2.3:a:norman:norman_antivirus_\&_antispyware:6.06.12:*:*:*:*:*:*:*
nprotect nprotect_antivirus 2011-01-17.01 cpe:2.3:a:nprotect:nprotect_antivirus:2011-01-17.01:*:*:*:*:*:*:*
pandasecurity panda_antivirus 10.0.2.7 cpe:2.3:a:pandasecurity:panda_antivirus:10.0.2.7:*:*:*:*:*:*:*
pc_tools pc_tools_antivirus 7.0.3.5 cpe:2.3:a:pc_tools:pc_tools_antivirus:7.0.3.5:*:*:*:*:*:*:*
rising-global rising_antivirus 22.83.00.03 cpe:2.3:a:rising-global:rising_antivirus:22.83.00.03:*:*:*:*:*:*:*
sophos sophos_anti-virus 4.61.0 cpe:2.3:a:sophos:sophos_anti-virus:4.61.0:*:*:*:*:*:*:*
symantec endpoint_protection 11.0 cpe:2.3:a:symantec:endpoint_protection:11.0:*:*:*:*:*:*:*
trendmicro housecall 9.120.0.1004 cpe:2.3:a:trendmicro:housecall:9.120.0.1004:*:*:*:*:*:*:*
trendmicro trend_micro_antivirus 9.120.0.1004 cpe:2.3:a:trendmicro:trend_micro_antivirus:9.120.0.1004:*:*:*:*:*:*:*
virusbuster virusbuster 13.6.151.0 cpe:2.3:a:virusbuster:virusbuster:13.6.151.0:*:*:*:*:*:*:*

References for CVE-2012-1443

cvelogic Threat Intelligence