KB4598289: Windows 7 and Windows Server 2008 R2 January 2021 Security Update

high Nessus Plugin ID 144877
New! Vulnerability Priority Rating (VPR)

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VPR Score: 7.1


The remote Windows host is affected by multiple vulnerabilities.


The remote Windows host is missing security update 4598289 or cumulative update 4598279. It is, therefore, affected by multiple vulnerabilities :

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2021-1657, CVE-2021-1658, CVE-2021-1660, CVE-2021-1664, CVE-2021-1665, CVE-2021-1666, CVE-2021-1667, CVE-2021-1668, CVE-2021-1671, CVE-2021-1673, CVE-2021-1700, CVE-2021-1701)

- An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges.
(CVE-2021-1649, CVE-2021-1652, CVE-2021-1653, CVE-2021-1654, CVE-2021-1655, CVE-2021-1659, CVE-2021-1661, CVE-2021-1688, CVE-2021-1693, CVE-2021-1694, CVE-2021-1695, CVE-2021-1702, CVE-2021-1704, CVE-2021-1706, CVE-2021-1709)

- A security feature bypass vulnerability exists. An attacker can exploit this and bypass the security feature and perform unauthorized actions compromising the integrity of the system/application. (CVE-2021-1674, CVE-2021-1678)

- An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-1656, CVE-2021-1676, CVE-2021-1696, CVE-2021-1699, CVE-2021-1708)

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2021-1679)


Apply Security Only update KB4598289 or Cumulative Update KB4598279.

See Also



Plugin Details

Severity: High

ID: 144877

File Name: smb_nt_ms21_jan_4598279.nasl

Version: 1.6

Type: local

Agent: windows

Published: 1/12/2021

Updated: 1/21/2021

Dependencies: smb_check_rollup.nasl, smb_hotfixes.nasl, ms_bulletin_checks_possible.nasl

Risk Information

Risk Factor: High

VPR Score: 7.1

CVSS Score Source: CVE-2021-1668

CVSS v2.0

Base Score: 9.3

Temporal Score: 6.9

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:microsoft:windows

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-1649, CVE-2021-1652, CVE-2021-1653, CVE-2021-1654, CVE-2021-1655, CVE-2021-1656, CVE-2021-1657, CVE-2021-1658, CVE-2021-1659, CVE-2021-1660, CVE-2021-1661, CVE-2021-1664, CVE-2021-1665, CVE-2021-1666, CVE-2021-1667, CVE-2021-1668, CVE-2021-1671, CVE-2021-1673, CVE-2021-1674, CVE-2021-1676, CVE-2021-1678, CVE-2021-1679, CVE-2021-1688, CVE-2021-1693, CVE-2021-1694, CVE-2021-1695, CVE-2021-1696, CVE-2021-1699, CVE-2021-1700, CVE-2021-1701, CVE-2021-1702, CVE-2021-1704, CVE-2021-1706, CVE-2021-1708, CVE-2021-1709

MSKB: 4598279, 4598289

MSFT: MS21-4598279, MS21-4598289

IAVA: 2021-A-0023