CVE-2021-26897 — Code Injection in Microsoft Windows Server 2008 R2 Service Pack 1

CWE-94 — Code Injection18 documents12 sources
Severity
9.8CRITICALNVD
EPSS
11.0%
top 6.56%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
9
Microsoft Windows Server 2008 R2 Service Pack 1Microsoft Windows Server 2008 Service Pack 2Microsoft Windows Server 2012+6 more
Timeline
PublishedMar 11
Latest updateMay 24

Description

Windows DNS Server Remote Code Execution Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages9 packages

▶CVEListV5microsoft/windows_server_20126.2.0 — publication
▶CVEListV5microsoft/windows_server_201610.0.0 — publication
▶CVEListV5microsoft/windows_server_201910.0.0 — publication
▶CVEListV5microsoft/windows_server_2012_r26.3.0 — publication
▶CVEListV5microsoft/windows_server_version_200410.0.0 — publication

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

7
GHSA
GHSA-8546-vjcf-9r45: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26877, CVE-2021-26894, CVE-2021-26895, CVE-2021-26897↗2022-05-24
▶
GHSA
GHSA-86v8-8qp7-vj9r: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26893, CVE-2021-26894, CVE-2021-26895, CVE-2021-26897↗2022-05-24
▶
GHSA
GHSA-wjv8-g83f-g23g: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26877, CVE-2021-26893, CVE-2021-26894, CVE-2021-26897↗2022-05-24
▶
GHSA
GHSA-5hxq-rvgg-jqff: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26877, CVE-2021-26893, CVE-2021-26894, CVE-2021-26895↗2022-05-24
▶
GHSA
GHSA-96hx-qvj2-8fpm: Windows DNS Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26877, CVE-2021-26893, CVE-2021-26895, CVE-2021-26897↗2022-05-24
▶

🔍Detection Rules

1
Suricata
ET EXPLOIT Windows DNS Server RCE Attempt Inbound (CVE-2021-26897)↗2021-03-30
▶

📋Vendor Advisories

1
Microsoft
Windows DNS Server Remote Code Execution Vulnerability↗2021-03-09
▶

🕵️Threat Intelligence

8
Trendmicro
March Patch Tuesday: Fixes for Exchange Server, IE↗2021-03-10
▶
Qualys
March 2021 Patch Tuesday – 82 Vulnerabilities, 10 Critical, Adobe | Qualys↗2021-03-09
▶
Tenable
Microsoft’s March 2021 Patch Tuesday Addresses 82 CVEs (CVE-2021-26411)↗2021-03-09
▶
Talos
Microsoft Patch Tuesday for March 2021 — Snort rules and prominent vulnerabilities↗2021-03-09
▶
Qualys
March 2021 Patch Tuesday – 82 Vulnerabilities, 10 Critical, Adobe↗2021-03-09
▶
CVE-2021-26897 — Code Injection in Microsoft | cvebase