4.3

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.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
1.10%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-09-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last 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 version

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 score
1.10%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Vmware2 products
  • esx4.0 | 4.1
  • esxiEOL4.0 | 4.0:1 | 4.0:2 | 4.0:3 | 4.0:4 | 4.1 | 4.1:1 | 4.1:2 | 5.0 | 5.0:1 | 5.0:2 | 5.1

1 vendor · 2 products

References

1 links