CVE-2018-13816
No exploitation reported by the sources we read.
- Published2018-12-12
- Fixed in2.0
- WeaknessCWE-284 · CWE-287
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A vulnerability has been identified in TIM 1531 IRC (All version < V2.0). The devices was missing proper authentication on port 102/tcp, although configured. Successful exploitation requires an attacker to be able to send packets to port 102/tcp of the affected device. No user interaction and no user privileges are required to exploit the vulnerability. At the time of advisory publication no public exploitation of this vulnerability was known.
Timeline
dates in UTC- 2018-12-1216:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-13816?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-13816?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2.0 | < 2.0 | 2.0 | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Siemens TIM 1531 IRC Modules
Siemens TIM 1531 IRC (incl. SIPLUS NET variants): All versions < V2.0
Fix
- Update Siemens tim 1531 irc firmware to 2.0
- Vendor fix CISA ICSA-18-352-05 · 1 productUpdate to V2.0 https://support.industry.siemens.com/cs/ww/en/view/109762596
- Mitigation from the vendor CISA ICSA-18-352-05 · 1 productRestrict access to port 102/tcp on TIM 1531 IRC to trusted IP addresses
- Mitigation from the vendor CISA ICSA-18-352-05 · 1 productUpdate firmware to version V2.0 (and reload the TIM station from engineering)
Advisories and patches
- cert-portal.siemens.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.010read 2026-10-23
- NVDCVSS 2.07.5read 2026-10-23
- CNAweakness (CWE)CWE-284read 2026-10-23
- NVDweakness (CWE)CWE-287read 2026-10-23
- FIRST EPSSEPSS score2.8 %2026-10-23
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Published
- 2018-12-12
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-13816?
Is CVE-2018-13816 actively exploited?
What is the CVSS score for CVE-2018-13816?
Running TIM? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.