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CVE-2021-37196

22
FAUCET Score

CVE-2021-37196 is a path traversal vulnerability in the COMOS Web component of Siemens COMOS V10.2, V10.3, and V10.4, allowing an authenticated attacker to store arbitrary files in any accessible directory. With a CVSS score of 6.5 (Medium), it has a low attack complexity and requires low privileges, potentially leading to high integrity impact but no confidentiality or availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.2CPE matchmatch criteria
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
>= 10.3, < 10.3.3.3CPE matchmatch criteria
cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
10.4CPE matchmatch criteria
cpe:2.3:a:siemens:comos:10.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 63rd percentile among its peer group of 21,977 CVEs.

Social Chatter

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.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-995338.pdf
PatchVendor Advisory