CVE-2018-8159
published 2018-05-09CVE-2018-8159: An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange…
PriorityP429medium5.4CVSS 3.0
AVNACLPRNUIRSUCLILAN
EPSS
3.51%
89.1th percentile
An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
Affected
32 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | exchange_server | — | — |
| microsoft | microsoft_exchange_server | — | — |
| microsoft | microsoft_exchange_server | — | — |
| microsoft | microsoft_exchange_server | — | — |
| microsoft | microsoft_exchange_server | — | — |
| msrc | microsoft_exchange_server_2010_service_pack_3 | — | — |
| msrc | microsoft_exchange_server_2013_cumulative_update_19 | — | — |
| msrc | microsoft_exchange_server_2013_cumulative_update_20 | — | — |
| msrc | microsoft_exchange_server_2013_cumulative_update_21 | — | — |
| msrc | microsoft_exchange_server_2013_cumulative_update_22 | — | — |
| msrc | microsoft_exchange_server_2013_cumulative_update_23 | — | — |
| msrc | microsoft_exchange_server_2013_service_pack_1 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_10 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_11 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_12 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_13 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_14 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_15 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_16 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_17 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_18 | — | — |
| msrc | microsoft_exchange_server_2016_cumulative_update_19 | — | — |
CVSS provenance
nvdv3.05.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
nvdv2.05.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
vendor_msrc9.1CRITICAL
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Microsoft
Microsoft Exchange Server Remote Code Execution Vulnerability
vendor_msrc·2021-03-09·CVSS 7.8
CVE-2021-26857 [CRITICAL] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
FAQ: Is this vulnerability being used in an active attack?
Yes. The vulnerability described in this CVE is one of four vulnerabilities that are being exploited in an active attack. The security updates address this attack. More information can be found here: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server.
What is the target for this attack?
The initial attack in this attack chain targets an Exchange On-prem server that is able to receive untrusted connections from an external source. In addition, the Exchange server would need to be running Microsoft Exchange Server 2013, 2016, or 2019.
Where can I get more information about how to protect myself from the vulnerabilities?
Pleas
Microsoft
Microsoft Exchange Server Remote Code Execution Vulnerability
vendor_msrc·2021-03-09·CVSS 9.1
CVE-2021-26855 [CRITICAL] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
FAQ: Is this vulnerability being used in an active attack?
Yes. The vulnerability described in this CVE is one of four vulnerabilities that are being exploited in an active attack. The security updates address this attack. More information can be found here: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server.
What is the target for this attack?
The initial attack in this attack chain targets an Exchange On-prem server that is able to receive untrusted connections from an external source. In addition, the Exchange server would need to be running Microsoft Exchange Server 2013, 2016, or 2019.
Where can I get more information about how to protect myself from the vulnerabilities?
Pleas
Microsoft
Microsoft Exchange Server Remote Code Execution Vulnerability
vendor_msrc·2021-03-09·CVSS 7.8
CVE-2021-27065 [CRITICAL] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
FAQ: Is this vulnerability being used in an active attack?
Yes. The vulnerability described in this CVE is one of four vulnerabilities that are being exploited in an active attack. The security updates address this attack. More information can be found here: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server.
What is the target for this attack?
The initial attack in this attack chain targets an Exchange On-prem server that is able to receive untrusted connections from an external source. In addition, the Exchange server would need to be running Microsoft Exchange Server 2013, 2016, or 2019.
Where can I get more information about how to protect myself from the vulnerabilities?
Pleas
Microsoft
Microsoft Exchange Server Remote Code Execution Vulnerability
vendor_msrc·2021-03-09·CVSS 7.8
CVE-2021-26858 [CRITICAL] Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
FAQ: Is this vulnerability being used in an active attack?
Yes. The vulnerability described in this CVE is one of four vulnerabilities that are being exploited in an active attack. The security updates address this attack. More information can be found here: https://msrc-blog.microsoft.com/2021/03/02/multiple-security-updates-released-for-exchange-server.
What is the target for this attack?
The initial attack in this attack chain targets an Exchange On-prem server that is able to receive untrusted connections from an external source. In addition, the Exchange server would need to be running Microsoft Exchange Server 2013, 2016, or 2019.
Where can I get more information about how to protect myself from the vulnerabilities?
Pleas
Microsoft
Microsoft Exchange Elevation of Privilege Vulnerability
vendor_msrc·2018-05-08·CVSS 5.4
CVE-2018-8159 [MEDIUM] Microsoft Exchange Elevation of Privilege Vulnerability
Microsoft Exchange Elevation of Privilege Vulnerability
Description: An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests. An attacker who successfully exploited this vulnerability could perform script/content injection attacks and attempt to trick the user into disclosing sensitive information.
To exploit the vulnerability, an attacker could send a specially crafted email message containing a specific malicious script. The user would have to apply a highlight to the script for it to be activated.
The security update addresses the vulnerability by correcting how Microsoft Exchange validates web requests.
Microsoft Exchange Server: Microsoft Exchange Server
Impact: Elevation of Privilege
Exploit Status: Pub
GHSA
GHSA-f9g9-xmqv-vpcg: An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft
ghsa_unreviewed·2022-05-13
CVE-2018-8159 [MEDIUM] CWE-79 GHSA-f9g9-xmqv-vpcg: An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft
An elevation of privilege vulnerability exists when Microsoft Exchange Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.
No detection rules found.
No public exploits indexed.
Talos
Microsoft Patch Tuesday - May 2018
blogs_talos·2018-05-08·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - May 2018
Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 67 new vulnerabilities, with 21 of them rated critical, 42 of them rated important, and four rated as low severity. These vulnerabilities impact Outlook, Office, Exchange, Edge, Internet Explorer and more.
In addition to the 67 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180008, which addresses the vulnerability CVE-2018-4944 described in the Adobe security bulletin APSB18-16.
### Critical Vulnerabilities
This month, Microsoft is addressing 21 vulnerabilities that are rated as critical. Talos believes one of these is notable and requires prompt attenti
Talos
Microsoft Patch Tuesday - May 2018
blogs_talos·2018-05-08·CVSS 7.5
[HIGH] Microsoft Patch Tuesday - May 2018
## Microsoft Patch Tuesday - May 2018
Today, Microsoft has released its monthly set of security advisories for vulnerabilities that have been identified and addressed in various products. This month's advisory release addresses 67 new vulnerabilities, with 21 of them rated critical, 42 of them rated important, and four rated as low severity. These vulnerabilities impact Outlook, Office, Exchange, Edge, Internet Explorer and more.
In addition to the 67 vulnerabilities referenced above, Microsoft has also released a critical update advisory, ADV180008 , which addresses the vulnerability CVE-2018-4944 described in the Adobe security bulletin APSB18-16 .
## Critical Vulnerabilities
This month, Microsoft is addressing 21 vulnerabilities that are rated as critical. Talos believes one of thes
http://www.securityfocus.com/bid/104056http://www.securitytracker.com/id/1040850https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8159http://www.securityfocus.com/bid/104056http://www.securitytracker.com/id/1040850https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8159
2018-05-09
Published