5

CVE-2003-0001: freebsd

Modified
Published 08-01-2003Last modified 08-08-2024

Vulnerability summary

CVE-2003-0001 is a medium (CVSS 5.0) vulnerability in freebsd. EPSS estimates a 72.51% chance of exploitation in the next 30 days, higher than 99.4% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Prioritiseweaponized exploit

Weaponized exploit (exploit-database, 23-03-2007)

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
72.51%
0%100%
Critical · +2.28 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3exploit-database

Advisory lineage

Upstream 0 · Downstream 6
DSA-311DSA-312DSA-332DSA-336DSA-423DSA-442

Timeline

  1. 08-01-2003
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple ethernet Network Interface Card (NIC) device drivers do not pad frames with null bytes, which allows remote attackers to obtain information from previous packets or kernel memory by using malformed packets, as demonstrated by Etherleak.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

72.51%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

Increase +2.28 pp

From 70.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

3 found
  • exploit-databaseremotebsdVerified

    Linux Kernel 2.0.x/2.2.x/2.4.x (FreeBSD 4.x) - Network Device Driver Frame Padding Information Disclosure

    Maturity: weaponized

  • exploit-databasedoshardwareUnverified

    Cisco ASA < 8.4.4.6 < 8.2.5.32 - Ethernet Information Leak

    Maturity: poc

  • exploit-databaseremotemultipleVerified

    Ethernet Device Drivers Frame Padding - 'Etherleak' Infomation Leakage

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Freebsd1 product
  • freebsdEOL4.2 | 4.3 | 4.4 | 4.5 | 4.6 | 4.7
Linux1 product
  • linux_kernel2.4.1 | 2.4.2 | 2.4.3 | 2.4.4 | 2.4.5 | 2.4.6 | 2.4.7 | 2.4.8 | 2.4.9 | 2.4.10 | 2.4.11 | 2.4.12 | 2.4.13 | 2.4.14 | 2.4.15 | 2.4.16 | 2.4.17 | 2.4.18 | 2.4.19 | 2.4.20
Netbsd1 product
  • netbsdEOL1.5 | 1.5.1 | 1.5.2 | 1.5.3 | 1.6

3 vendors · 3 products

References

15 links
Show all 15 references