CVE-2012-1435
MediumThe Microsoft EXE file parser in AhnLab V3 Internet Security 2011.01.18.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, and Panda Antivirus 10.0.2.7 allows remote attackers to bypass malware detection via an EXE file…
Published Mar 21, 2012 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2012-1435 is a medium-severity vulnerability (CVSS 4.3 v2) affecting V3 Internet Security (Ahnlab), Esafe (Aladdin), Anti-Malware (Emsisoft) and 2 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 94% 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)
94%
Higher than 99.8% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2012-1435 brief as a PDF
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Description
The Microsoft EXE file parser in AhnLab V3 Internet Security 2011.01.18.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, and Panda Antivirus 10.0.2.7 allows remote attackers to bypass malware detection via an EXE file with a \50\4B\4C\49\54\45 character sequence at a certain location. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different EXE parser implementations.
Affected Products
5 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| V3 Internet SecurityAhnlab | 2011.01.18.00 | n/a |
| EsafeAladdin | 7.0.17.0 | n/a |
| Anti-MalwareEmsisoft | 5.1.0.1 | n/a |
| Ikarus Virus Utilities T3 Command Line ScannerIkarus | 1.1.97.0 | n/a |
| Panda AntivirusPandasecurity | 10.0.2.7 | n/a |
Timeline
Publicly disclosed
Mar 21, 2012
Last updated
Apr 28, 2026
Weakness Type
- CWE-264
References
FAQ
Common Questions.
The Microsoft EXE file parser in AhnLab V3 Internet Security 2011.01.18.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, and Panda Antivirus 10.0.2.7 allows remote attackers to bypass malware detection via an EXE file with a \50\4B\4C\49\54\45 character sequen…
Affected: V3 Internet Security (Ahnlab) versions 2011.01.18.00; Esafe (Aladdin) versions 7.0.17.0; Anti-Malware (Emsisoft) versions 5.1.0.1, 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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