CVE-2013-1661: vmware esx Improper Input Validation
CVSS: 4.3v2.0MediumModified
Published 04-09-2013Last modified 16-09-2024
Vulnerability summary
CVE-2013-1661 is a medium (CVSS 4.3) Improper Input Validation vulnerability in vmware esx. EPSS estimates a 1.10% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v2.0 (NVD)EPSS score
1.10%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 04-09-2013PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
VMware ESXi 4.0 through 5.1, and ESX 4.0 and 4.1, does not properly implement the Network File Copy (NFC) protocol, which allows man-in-the-middle attackers to cause a denial of service (unhandled exception and application crash) by modifying the client-server data stream.
CVSS metrics
1 score · 1 source · 1 versionMedium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.10%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.10% on 18-09-2026
18-09-202618-10-2026
EPSS score1.10%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 2 products