CVE-2017-8759

high

Description

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to execute code remotely via a malicious document or application, aka ".NET Framework Remote Code Execution Vulnerability."

References

https://www.exploit-db.com/exploits/42711/

https://github.com/GitHubAssessments/CVE_Assessments_01_2020

https://www.cisa.gov/news-events/cybersecurity-advisories/aa20-133a

https://us-cert.cisa.gov/ncas/alerts/aa21-200a

https://www.accenture.com/us-en/blogs/cyber-defense/mudcarps-focus-on-submarine-technologies

https://blog.talosintelligence.com/2018/07/multiple-cobalt-personality-disorder.html

https://www.fireeye.com/blog/threat-research/2018/03/suspected-chinese-espionage-group-targeting-maritime-and-engineering-industries.html

https://crowdstrike.lookbookhq.com/global-threat-report-2018-web/cs-2018-global-threat-report

https://web.archive.org/web/20190508170147/https://www.riskiq.com/blog/labs/cobalt-group-spear-phishing-russian-banks/

https://web.archive.org/web/20190508170630/https://www.riskiq.com/blog/labs/cobalt-strike/

https://blog.trendmicro.com/trendlabs-security-intelligence/cobalt-spam-runs-use-macros-cve-2017-8759-exploit/

https://www.proofpoint.com/us/threat-insight/post/leviathan-espionage-actor-spearphishes-maritime-and-defense-targets

https://www.ptsecurity.com/upload/corporate/ww-en/analytics/Cobalt-2017-eng.pdf

https://www.proofpoint.com/us/threat-insight/post/microsoft-word-intruder-integrates-cve-2017-0199-utilized-cobalt-group-target

https://www.ptsecurity.com/upload/corporate/ww-en/analytics/Cobalt-Snatch-eng.pdf

https://www.tenable.com/blog/analyzing-the-vulnerabilities-associated-with-the-top-malware-strains-of-2021

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8759

https://github.com/nccgroup/CVE-2017-8759

https://github.com/bhdresh/CVE-2017-8759

http://www.securitytracker.com/id/1039324

http://www.securityfocus.com/bid/100742

Details

Source: Mitre, NVD

Published: 2017-09-13

Updated: 2025-04-20

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

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