4.9

CVE-2013-6833: freebsd Improper Input Validation

CVSS: 4.9v2.0MediumModified
Published 21-11-2013Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2013-6833 is a medium (CVSS 4.9) Improper Input Validation vulnerability in freebsd. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 37.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.44%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 21-11-2013
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

The qls_eioctl function in sys/dev/qlxge/qls_ioctl.c in the kernel in FreeBSD 10 and earlier does not validate a certain size parameter, which allows local users to obtain sensitive information from kernel memory via a crafted ioctl call.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

0.00 pp

From 0.44% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.44%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (archives.neohapsis.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Freebsd1 product
  • freebsdEOL≤ 10.0 | 0.4_1 | 10 | 11 | 1.1.5 | 1.1.5.1 | 1.2 | 1.5 | 2.0 | 2.0.1 | 2.0.5 | 2.1 | 2.1.0 | 2.1.5 | 2.1.6 | 2.1.6.1 | 2.1.7 | 2.1.7.1 | 2.2 | 2.2.1 | 2.2.2 | 2.2.3 | 2.2.4 | 2.2.5 | 2.2.6 | 2.2.7 | 2.2.8 | 3.0 | 3.1 | 3.2 | 3.3 | 3.4 | 3.5 | 3.5.1 | 4.0 | 4.1 | 4.1.1 | 4.2 | 4.3 | 4.4 | 4.5 | 4.6 | 4.6.2 | 4.7 | 4.8 | 4.9 | 4.10 | 5.0 | 5.1 | 5.2 | 5.2.1 | 5.3 | 5.4 | 5.5 | 6.0 | 6.1 | 6.2 | 6.3 | 6.4 | 7.0 | 7.1 | 7.2 | 7.3 | 7.4 | 8.0 | 8.1 | 8.2 | 8.3 | 8.4 | 9.0 | 9.1 | 9.2

1 vendor · 1 product

References

1 links