cbcvebase.
CVE-2021-28346
published 2021-04-13

CVE-2021-28346: Remote Procedure Call Runtime Remote Code Execution Vulnerability

PriorityP354high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
EPSS
2.31%
81.5th percentile
Remote Procedure Call Runtime Remote Code Execution Vulnerability

Affected

46 ranges· showing 25
VendorProductVersion rangeFixed in
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10
microsoftwindows_10_version_1507>= 10.0.0 < publicationpublication
microsoftwindows_10_version_1607>= 10.0.0 < publicationpublication
microsoftwindows_10_version_1803>= 10.0.0 < publicationpublication
microsoftwindows_10_version_1809>= 10.0.0 < publicationpublication
microsoftwindows_10_version_1909>= 10.0.0 < publicationpublication
microsoftwindows_10_version_2004>= 10.0.0 < publicationpublication
microsoftwindows_10_version_20h2>= 10.0.0 < publicationpublication
microsoftwindows_7>= 6.1.0 < publicationpublication
microsoftwindows_7_service_pack_1>= 6.1.0 < publicationpublication
microsoftwindows_8.1>= 6.3.0 < publicationpublication
microsoftwindows_server_2008
microsoftwindows_server_2008_r2_service_pack_1>= 6.0.0 < publicationpublication
microsoftwindows_server_2008_r2_service_pack_1>= 6.1.0 < publicationpublication
microsoftwindows_server_2008_service_pack_2>= 6.0.0 < publicationpublication
microsoftwindows_server_2012
microsoftwindows_server_2012>= 6.2.0 < publicationpublication
microsoftwindows_server_2012_r2>= 6.3.0 < publicationpublication
microsoftwindows_server_2016
microsoftwindows_server_2016

Detection & IOCsextracted from sources · hover to see the quote

  • Vulnerability affects Windows Remote Procedure Call (RPC) Runtime, monitor for anomalous RPC traffic or exploitation attempts targeting RPC endpoints
  • ·Exploit Status is 'Exploitation Less Likely' for both latest and older software releases, and has not been publicly disclosed or exploited in the wild as of advisory publication
  • ·Remediation requires applying Microsoft patch updates across multiple Windows versions (KB5001339, KB5001342, KB5001337, KB5001330, KB5001340, KB5001347, KB5001335, KB5001392, KB5001382, KB5001393, KB5001389, KB5001332, KB5001387, KB5001383)

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.06.5MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
osv6.1MEDIUM
vendor_msrc8.8HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.