CVE-2012-1421
MediumThe 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…
Published Mar 21, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-1421 is a medium-severity vulnerability (CVSS 4.3 v2) affecting Quick Heal (Cat), Norman Antivirus \& Antispyware, Rising Antivirus (Rising-Global) and 1 more product.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 89% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
4.3
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS (30-day exploit likelihood)
89%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
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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.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Quick HealCat | 11.00 | n/a |
| Norman Antivirus \& AntispywareNorman | 6.06.12 | n/a |
| Rising AntivirusRising-Global | 22.83.00.03 | n/a |
| Endpoint ProtectionSymantec | 11.0 | n/a |
Timeline
Publicly disclosed
Mar 21, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-264
References
FAQ
Common Questions.
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.
Affected: Quick Heal (Cat) versions 11.00; Norman Antivirus \& Antispyware versions 6.06.12; Rising Antivirus (Rising-Global) versions 22.83.00.03, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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