CVE-2021-31893 describes a buffer overflow vulnerability in several Siemens SIMATIC and SINAMICS products, including PCS 7, PDM, STEP 7, and STARTER. This flaw, rated 7.8 HIGH, allows a local attacker to trigger a denial-of-service or potentially achieve remote code execution by manipulating specific files. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 8.2CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_pcs_firmware:*:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:-:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp1:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_pcs_firmware:9.0:sp2:*:*:*:*:*:* | ||
< 9.2CPE matchmatch criteria | cpe:2.3:o:siemens:simatic_pdm_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.