CVE-2018-16793
Rollup 18 for Microsoft Exchange Server 2010 SP3 and previous versions has an SSRF vulnerability via the username parameter in /owa/auth/logon.aspx in the OWA (Outlook Web Access) login page.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.3%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Rollup 18 for Microsoft Exchange Server 2010 SP3 and previous versions has an SSRF vulnerability via the username parameter in /owa/auth/logon.aspx in the OWA (Outlook Web Access) login page.
- CVSS 3.0
- 8.6 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 11.33% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- microsoft/exchange server
- Source
- cve@mitre.org
EPSS 11.3% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/149411/Rollup-18-For-Microsoft-Exchange-Server-2010-SP3-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Sep/20Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105386Third Party Advisory, VDB Entry
- https://seclists.org/bugtraq/2018/Sep/38Exploit, Issue Tracking, Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/149411/Rollup-18-For-Microsoft-Exchange-Server-2010-SP3-Server-Side-Request-Forgery.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2018/Sep/20Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/105386Third Party Advisory, VDB Entry
- https://seclists.org/bugtraq/2018/Sep/38Exploit, Issue Tracking, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.