CVE-2018-4835: siemens ag telecontrol server basic Improper Authentication
CVSS: 5.3v3.0MediumModified
Published 25-01-2018Last modified 17-09-2024
Vulnerability summary
CVE-2018-4835 is a medium (CVSS 5.3) Improper Authentication vulnerability in siemens ag telecontrol server basic. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.2% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (NVD)EPSS score
2.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-01-2018PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in TeleControl Server Basic < V3.1. An attacker with network access to the TeleControl Server Basic's port 8000/tcp could bypass the authentication mechanism and read limited information.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
2.21%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.21% on 18-09-2026
18-09-202618-10-2026
EPSS score2.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Siemens1 product
Siemens ag1 product
- telecontrol server basicAll versions < V3.1
2 vendors · 2 products
References
3 links- www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-651454.pdfX Refsource CONFIRMPatchVendor Advisory