CVE-2018-11462
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). By sending a specially crafted authentication request to the affected systems a remote attacker could escalate his privileges to an elevated user account but not to root. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.69% — more likely to be exploited than 89% of all CVEs |
| Weakness | CWE-264 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-12-12 |
| Last modified | 2026-06-17 |
Affected (10)
| Vendor | Product |
|---|---|
| siemens | sinumerik 808d v4.7 |
| siemens | sinumerik 808d v4.7 firmware |
| siemens | sinumerik 808d v4.8 |
| siemens | sinumerik 808d v4.8 firmware |
| siemens | sinumerik 828d v4.7 |
| siemens | sinumerik 828d v4.7 firmware |
| siemens | sinumerik 840d sl v4.7 |
| siemens | sinumerik 840d sl v4.7 firmware |
| siemens | sinumerik 840d sl v4.8 |
| siemens | sinumerik 840d sl v4.8 firmware |
References
→ the Explorer · watch your stack · NVD