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No exploitation reportedFix available

CVE-2019-10921

No exploitation reported by the sources we read.

  • Published2019-05-14
  • Fixed in8.3
  • WeaknessCWE-256 · CWE-522

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 LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Unencrypted storage of passwords in the project could allow an attacker with access to port 10005/tcp to obtain passwords of the device. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known

Timeline

dates in UTC
  1. 2019-05-1420:29CVE publishedNVD

Versions per branch

NVD
Siemens logo\!8 bm firmwareversion to verify
BranchAffectedFixed in
8.3< 8.38.3

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-19-134-04 CISA1 known affected

    Siemens LOGO! 8 BM (Update A)

    Siemens LOGO! 8 BM (incl.'SIPLUS variants): All versions < V8.3

Full record on NVD

Fix

  1. Update Siemens logo\!8 bm firmware to 8.3
  2. Vendor fix CISA ICSA-19-134-04 · 1 productUpdate to V8.3. Notice that in order to update, a new hardware version is required. https://support.industry.siemens.com/cs/ww/en/view/109783346/
  3. Mitigation from the vendor CISA ICSA-19-134-04 · 1 productApply Defense-in-Depth concept, including protection concept outlined in the system manual.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-256known since 2026-10-23
  • NVDweakness (CWE)CWE-522read 2026-10-23
  • FIRST EPSSEPSS score2.4 %2026-11-08
  • GitHub Advisoriesadvisory—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2019-05-14
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m7mv-qphm-p8rq

Frequently asked questions

What is CVE-2019-10921?

A vulnerability has been identified in LOGO! 8 BM (incl. SIPLUS variants) (All versions < V8.3). Unencrypted storage of passwords in the project could allow an attacker with access to port 10005/tcp to obtain passwords of the device. The security vulnerability could be exploited by an unauthenticated attacker with network access to port 10005/tcp. No user interaction is required to exploit this security vulnerability. The vulnerability impacts confidentiality of the device. At the time of advisory publication no public exploitation of this security vulnerability was known

Is CVE-2019-10921 actively exploited?

Active exploitation of CVE-2019-10921 has not been confirmed. Its EPSS score was 2.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-10921?

CVE-2019-10921 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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