7.5

CVE-2003-0818: microsoft windows_2003_server

CVSS: 7.5v2.0HighModified
Published 11-02-2004Last modified 08-08-2024
Open JSON

Vulnerability summary

CVE-2003-0818 is a high (CVSS 7.5) vulnerability in microsoft windows_2003_server. EPSS estimates a 82.24% chance of exploitation in the next 30 days, higher than 99.6% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
56/100
0100
High · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v2.0 (NVD)
EPSS score
82.24%
0%100%
Critical · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4exploit-database, metasploit

Timeline

  1. 11-02-2004
    PublishedVulnerability first disclosed.
  2. 08-08-2024
    Last modifiedVulnerability information updated.

Description

Multiple integer overflows in Microsoft ASN.1 library (MSASN1.DLL), as used in LSASS.EXE, CRYPT32.DLL, and other Microsoft executables and libraries on Windows NT 4.0, 2000, and XP, allow remote attackers to execute arbitrary code via ASN.1 BER encodings with (1) very large length fields that cause arbitrary heap data to be overwritten, or (2) modified bit strings.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

82.24%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 82.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
82.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • exploit-databasedoswindowsVerified

    Microsoft Windows - ASN.1 'LSASS.exe' Remote Denial of Service (MS04-007)

    Maturity: poc

  • exploit-databaseremotewindowsVerified

    Microsoft Windows - ASN.1 Library Bitstring Heap Overflow (MS04-007) (Metasploit)

    Maturity: weaponized

  • exploit-databaseremotewindowsVerified

    Microsoft Windows - ASN.1 Remote (MS04-007)

    Maturity: weaponized

Show all 4 exploits
  • MetasploitMetasploitremoteUnverified

    MS04-007 Microsoft ASN.1 Library Bitstring Heap Overflow

    exploit/windows/smb/ms04_007_killbill

    Maturity: poc

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft2 products
  • windows_2003_serverenterprise | enterprise_64-bit | r2 | standard | web
  • windows_nt4.0 | 4.0:sp1 | 4.0:sp2 | 4.0:sp3 | 4.0:sp4 | 4.0:sp5 | 4.0:sp6 | 4.0:sp6a

1 vendor · 2 products

References

12 links
Show all 12 references