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No exploitation reportedFix available

CVE-2019-10939

No exploitation reported by the sources we read.

  • Published2020-04-14
  • Fixed in2.8
  • WeaknessCWE-489

Am I 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 3V-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3). The affected versions contain an open debug port that is available under certain specific conditions. The vulnerability is only available if the IP address is configured to 192.168.1.2. If available, the debug port could be exploited by an attacker with network access to the device. No user interaction is required to exploit this vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the affected device. At the stage of publishing this security advisory no public exploitation is known.

Timeline

dates in UTC
  1. 2020-04-1420:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-10939?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-10939?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Siemens tim 3v-ie advanced firmwareversion to verify
BranchAffectedFixed in
2.8< 2.82.8
Siemens tim 3v-ie dnp3 firmwareversion to verify
BranchAffectedFixed in
2.8< 2.82.8
Siemens tim 3v-ie firmwareversion to verify
BranchAffectedFixed in
2.8< 2.82.8

2 more products in the sources.

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

  • ICSA-20-105-09 CISA5 known affected

    Siemens TIM 3V-IE and 4R-IE Family Devices

    Siemens TIM 3V-IE (incl. SIPLUS NET variants): All versions < V2.8 · Siemens TIM 3V-IE Advanced (incl. SIPLUS NET variants): All versions < V2.8 · Siemens TIM 3V-IE DNP3 (incl. SIPLUS NET variants): All versions < V3.3 · +2 more

Full record on NVD

Fix

  1. Update Siemens tim 3v-ie advanced firmware to 2.8
  2. Vendor fix CISA ICSA-20-105-09 · 3 productsUpdate to V2.8
  3. Vendor fix CISA ICSA-20-105-09 · 2 productsUpdate to V3.3
  4. Mitigation from the vendor CISA ICSA-20-105-09 · 5 productsSet the IP of the device to anything other than 192.168.1.2.
  5. Mitigation from the vendor CISA ICSA-20-105-09 · 5 productsLimit access to port 17185/udp of an affected device (e.g. cell-protection firewall or corporate firewall) to reduce the risk.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • NVDCVSS 3.19.8read 2026-10-23
  • NVDCVSS 2.06.8read 2026-10-23
  • CNAweakness (CWE)CWE-489read 2026-10-23
  • FIRST EPSSEPSS score1.1 %2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2020-04-14
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2019-10939?

A vulnerability has been identified in TIM 3V-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.8), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.8), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.3). The affected versions contain an open debug port that is available under certain specific conditions. The vulnerability is only available if the IP address is configured to 192.168.1.2. If available, the debug port could be exploited by an attacker with network access to the device. No user interaction is required to exploit this vulnerability. The vulnerability impacts confidentiality, integrity, and availability of the affected device. At the stage of publishing this security advisory no public exploitation is known.

Is CVE-2019-10939 actively exploited?

Active exploitation of CVE-2019-10939 has not been confirmed. Its EPSS score was 1.1% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10939?

CVE-2019-10939 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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