CVE-2021-41349 is a spoofing vulnerability affecting Microsoft Exchange Server. With a CVSS score of 6.5 (Medium), it allows an unauthenticated attacker to achieve high confidentiality impact through a low complexity network attack requiring user interaction. While not listed in CISA's KEV catalog, its high EPSS score and FAUCET Risk Score indicate a significant likelihood of exploitation, and Nuclei templates exist for a related cross-site scripting vulnerability. Community discussion and media coverage suggest moderate attention, though no public Metasploit or ExploitDB exploits are available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2013CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23:*:*:*:*:*:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_21:*:*:*:*:*:* | ||
2016CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_22:*:*:*:*:*:* | ||
2019CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_10:*:*:*:*:*:* | ||
2019CPE matchmatch criteria | cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_11:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.