CVE-2018-0940 is an elevation of privilege vulnerability affecting Microsoft Exchange Server 2010, 2013, and 2016 through a flaw in how Outlook Web Access (OWA) rewrites links in email messages. This medium-severity vulnerability (CVSS 6.5) allows an unauthenticated attacker to achieve high confidentiality impact with low attack complexity, requiring user interaction. While not listed on CISA's KEV catalog and lacking public exploit code, it has garnered significant community discussion and media coverage, indicating awareness despite no active exploitation intelligence.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2010CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2010:sp3_rollup20:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_18:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_19:*:*:*:*:*:* | ||
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2013:sp1:*:*:*:*:*:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_7:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.