CVE-2022-33138 is a critical authentication bypass vulnerability affecting Siemens SIMATIC MV500 series devices running versions prior to V3.3. This flaw allows an unauthenticated remote attacker to access and download sensitive data from the device due to a lack of authentication on several web API endpoints. With a CVSS score of 7.5 (High), the vulnerability is easily exploitable over the network with low attack complexity, potentially leading to significant information disclosure. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.3CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_mv540_h_firmware:*:*:*:*:*:*:*:* | ||
< 3.3CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_mv540_s_firmware:*:*:*:*:*:*:*:* | ||
< 3.3CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_mv550_h_firmware:*:*:*:*:*:*:*:* | ||
< 3.3CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_mv550_s_firmware:*:*:*:*:*:*:*:* | ||
< 3.3CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_mv560_u_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.