CVE-2013-3947: ahnlab v3_internet_security
CVSS: 7.8v3.0HighModified
Published 24-04-2018Last modified 06-08-2024
Vulnerability summary
CVE-2013-3947 is a high (CVSS 7.8) vulnerability in ahnlab v3_internet_security. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
0.47%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-04-2018PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in MedCoreD.sys in AhnLab V3 Internet Security 8.0.7.5 (Build 1373) allows local users to gain privileges via a crafted 0xA3350014 IOCTL call.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
-0.01 pp
From 0.48% on 19-09-2026
19-09-202619-10-2026
EPSS score0.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
- CWE-264Permissions, Privileges, and Access ControlsWeaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
Affected systems
Ahnlab1 product
- v3_internet_security8.0.7.5
1 vendor · 1 product