CVE-2021-41769
A vulnerability has been identified in SIPROTEC 5 6MD85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD86 devices (CPU…
- Published
- Updated
- Reserved
- Assigned by
- siemens
Description
A vulnerability has been identified in SIPROTEC 5 6MD85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MD89 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 6MU85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7KE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SA86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SA87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SD86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SD87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ81 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SJ85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SJ86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SK82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SK85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7SL86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SL87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SS85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7ST85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7SX85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UM85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT82 devices (CPU variant CP100) (All versions < V8.83), SIPROTEC 5 7UT85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT86 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7UT87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VE85 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 7VK87 devices (CPU variant CP300) (All versions < V8.83), SIPROTEC 5 Compact 7SX800 devices (CPU variant CP050) (All versions < V8.83). An improper input validation vulnerability in the web server could allow an unauthenticated user to access device information.
Timeline
ID reserved
By siemens
- 4 months later
· 4 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 37% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
Siemens · SIPROTEC 5 6MD85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 6MD86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 6MD89 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 6MU85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7KE85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SA82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SA86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SA87 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SD82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SD86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SD87 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SJ81 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SJ82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SJ85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SJ86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SK82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SK85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SL82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SL86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SL87 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SS85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7ST85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7SX85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7UM85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7UT82 devices (CPU variant CP100)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7UT85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7UT86 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7UT87 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7VE85 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 7VK87 devices (CPU variant CP300)
- affected All versions < V8.83
Siemens · SIPROTEC 5 Compact 7SX800 devices (CPU variant CP050)
- affected All versions < V8.83
References (1)
- https://cert-portal.siemens.com/productcert/pdf/ssa-439673.pdf (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-41769)Record last updated .