CVE-2025-24811A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC…
- 8.7HighCVSS base score
- 0.61%Exploitation in 30 daysEPSS · top 50% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
A vulnerability has been identified in SIMATIC S7-1200 CPU 1211C AC/DC/Rly (6ES7211-1BE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/DC (6ES7211-1AE40-0XB0), SIMATIC S7-1200 CPU 1211C DC/DC/Rly (6ES7211-1HE40-0XB0), SIMATIC S7-1200 CPU 1212C AC/DC/Rly (6ES7212-1BE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/DC (6ES7212-1AE40-0XB0), SIMATIC S7-1200 CPU 1212C DC/DC/Rly (6ES7212-1HE40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/DC (6ES7212-1AF40-0XB0), SIMATIC S7-1200 CPU 1212FC DC/DC/Rly (6ES7212-1HF40-0XB0), SIMATIC S7-1200 CPU 1214C AC/DC/Rly (6ES7214-1BG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/DC (6ES7214-1AG40-0XB0), SIMATIC S7-1200 CPU 1214C DC/DC/Rly (6ES7214-1HG40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/DC (6ES7214-1AF40-0XB0), SIMATIC S7-1200 CPU 1214FC DC/DC/Rly (6ES7214-1HF40-0XB0), SIMATIC S7-1200 CPU 1215C AC/DC/Rly (6ES7215-1BG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/DC (6ES7215-1AG40-0XB0), SIMATIC S7-1200 CPU 1215C DC/DC/Rly (6ES7215-1HG40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/DC (6ES7215-1AF40-0XB0), SIMATIC S7-1200 CPU 1215FC DC/DC/Rly (6ES7215-1HF40-0XB0), SIMATIC S7-1200 CPU 1217C DC/DC/DC (6ES7217-1AG40-0XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-2XB0), SIPLUS S7-1200 CPU 1212 AC/DC/RLY (6AG1212-1BE40-4XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-2XB0), SIPLUS S7-1200 CPU 1212 DC/DC/RLY (6AG1212-1HE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-2XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC (6AG1212-1AE40-4XB0), SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL (6AG2212-1AE40-1XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-2XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-4XB0), SIPLUS S7-1200 CPU 1214 AC/DC/RLY (6AG1214-1BG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/DC (6AG1214-1AG40-5XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-2XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-4XB0), SIPLUS S7-1200 CPU 1214 DC/DC/RLY (6AG1214-1HG40-5XB0), SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL (6AG2214-1AG40-1XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/DC (6AG1214-1AF40-5XB0), SIPLUS S7-1200 CPU 1214FC DC/DC/RLY (6AG1214-1HF40-5XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-2XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-4XB0), SIPLUS S7-1200 CPU 1215 AC/DC/RLY (6AG1215-1BG40-5XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/DC (6AG1215-1AG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-2XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-4XB0), SIPLUS S7-1200 CPU 1215 DC/DC/RLY (6AG1215-1HG40-5XB0), SIPLUS S7-1200 CPU 1215C DC/DC/DC (6AG1215-1AG40-5XB0), SIPLUS S7-1200 CPU 1215FC DC/DC/DC (6AG1215-1AF40-5XB0). Affected devices do not process correctly certain special crafted packets sent to port 80/tcp, which could allow an unauthenticated attacker to cause a denial of service in the device.
Timeline
ID reserved
By siemens
- 18 days later
· 18 days later
Published
- 1 day later
· 1 day 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 |
|---|---|---|---|
| siemensCNA (assigner) | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| siemensCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Deferred | 4.0 | High8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.61% · top 50% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Affected products
Siemens · SIMATIC S7-1200 CPU 1211C AC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1211C DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1211C DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1212C AC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1212C DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1212C DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1212FC DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1212FC DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1214C AC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1214C DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1214C DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1214FC DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1214FC DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1215C AC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1215C DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1215C DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1215FC DC/DC/DC
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1215FC DC/DC/Rly
- affected < V4.7
Siemens · SIMATIC S7-1200 CPU 1217C DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212C DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212C DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1212C DC/DC/DC RAIL
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214C DC/DC/DC RAIL
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214FC DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1214FC DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 AC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215 DC/DC/RLY
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215C DC/DC/DC
- affected < V4.7
Siemens · SIPLUS S7-1200 CPU 1215FC DC/DC/DC
- affected < V4.7
References
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)
- EUVD EUVD-2025-3951 (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://cveledger.app/cve/CVE-2025-24811)Record last updated .