CVE-2021-37209
No known exploitation. EPSS puts it in the 29th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A vulnerability has been identified in RUGGEDCOM i800 (All versions < V4.3.8), RUGGEDCOM i801 (All versions < V4.3.8), RUGGEDCOM i802 (All versions < V4.3.8), RUGGEDCOM i803 (All versions < V4.3.8), RUGGEDCOM M2100 (All versions < V4.3.8), RUGGEDCOM M2200 (All versions < V4.3.8), RUGGEDCOM M969 (All versions < V4.3.8), RUGGEDCOM RMC30 (All versions < V4.3.8), RUGGEDCOM RMC8388 V4.X (All versions < V4.3.8), RUGGEDCOM RMC8388 V5.X (All versions < V5.7.0), RUGGEDCOM RP110 (All versions < V4.3.8), RUGGEDCOM RS1600 (All versions < V4.3.8), RUGGEDCOM RS1600F (All versions < V4.3.8), RUGGEDCOM RS1600T (All versions < V4.3.8), RUGGEDCOM RS400 (All versions < V4.3.8), RUGGEDCOM RS401 (All versions < V4.3.8), RUGGEDCOM RS416 (All versions < V4.3.8), RUGGEDCOM RS416P (All versions < V4.3.8), RUGGEDCOM RS416Pv2 V4.X (All versions < V4.3.8), RUGGEDCOM RS416Pv2 V5.X (All versions < V5.7.0), RUGGEDCOM RS416v2 V4.X (All versions < V4.3.8), RUGGEDCOM RS416v2 V5.X (All versions < V5.7.0), RUGGEDCOM RS8000 (All versions < V4.3.8), RUGGEDCOM RS8000A (All versions < V4.3.8), RUGGEDCOM RS8000H (All versions < V4.3.8), RUGGEDCOM RS8000T (All versions < V4.3.8), RUGGEDCOM RS900 (All versions < V4.3.8), RUGGEDCOM RS900 (32M) V4.X (All versions < V4.3.8), RUGGEDCOM RS900 (32M) V5.X (All versions < V5.7.0), RUGGEDCOM RS900G (All versions < V4.3.8), RUGGEDCOM RS900G (32M) V4.X (All versions < V4.3.8), RUGGEDCOM RS900G (32M) V5.X (All versions < V5.7.0), RUGGEDCOM RS900GP (All versions < V4.3.8), RUGGEDCOM RS900L (All versions < V4.3.8), RUGGEDCOM RS900M-GETS-C01 (All versions < V4.3.8), RUGGEDCOM RS900M-GETS-XX (All versions < V4.3.8), RUGGEDCOM RS900M-STND-C01 (All versions < V4.3.8), RUGGEDCOM RS900M-STND-XX (All versions < V4.3.8), RUGGEDCOM RS900W (All versions < V4.3.8), RUGGEDCOM RS910 (All versions < V4.3.8), RUGGEDCOM RS910L (All versions < V4.3.8), RUGGEDCOM RS910W (All versions < V4.3.8), RUGGEDCOM RS920L (All versions < V4.3.8), RUGGEDCOM RS920W (All versions < V4.3.8), RUGGEDCOM RS930L (All versions < V4.3.8), RUGGEDCOM RS930W (All versions < V4.3.8), RUGGEDCOM RS940G (All versions < V4.3.8), RUGGEDCOM RS969 (All versions < V4.3.8), RUGGEDCOM RSG2100 (All versions < V4.3.8), RUGGEDCOM RSG2100 (32M) V4.X (All versions < V4.3.8), RUGGEDCOM RSG2100 (32M) V5.X (All versions < V5.7.0), RUGGEDCOM RSG2100P (All versions < V4.3.8), RUGGEDCOM RSG2100P (32M) V4.X (All versions < V4.3.8), RUGGEDCOM RSG2100P (32M) V5.X (All versions < V5.7.0), RUGGEDCOM RSG2200 (All versions < V4.3.8), RUGGEDCOM RSG2288 V4.X (All versions < V4.3.8), RUGGEDCOM RSG2288 V5.X (All versions < V5.7.0), RUGGEDCOM RSG2300 V4.X (All versions < V4.3.8), RUGGEDCOM RSG2300 V5.X (All versions < V5.7.0), RUGGEDCOM RSG2300P V4.X (All versions < V4.3.8), RUGGEDCOM RSG2300P V5.X (All versions < V5.7.0), RUGGEDCOM RSG2488 V4.X (All versions < V4.3.8), RUGGEDCOM RSG2488 V5.X (All versions < V5.7.0), RUGGEDCOM RSG907R (All versions < V5.7.0), RUGGEDCOM RSG908C (All versions < V5.7.0), RUGGEDCOM RSG909R (All versions < V5.7.0), RUGGEDCOM RSG910C (All versions < V5.7.0), RUGGEDCOM RSG920P V4.X (All versions < V4.3.8), RUGGEDCOM RSG920P V5.X (All versions < V5.7.0), RUGGEDCOM RSL910 (All versions < V5.7.0), RUGGEDCOM RST2228 (All versions < V5.7.0), RUGGEDCOM RST2228P (All versions < V5.7.0), RUGGEDCOM RST916C (All versions < V5.7.0), RUGGEDCOM RST916P (All versions < V5.7.0). The SSH server on affected devices is configured to offer weak ciphers by default. This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data passed over the connection between legitimate clients and the affected device.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.4% chance of exploitation activity in the next 30 days, which ranks it in the 29th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 1570 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:H
Scored 6.7 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- CollectionT1557Adversary-in-the-Middlehigh confidence
- Credential AccessT1110Brute Forcemedium confidence
Sources
References in the record
- cert-portal.siemens.com/productcert/html/ssa-764417.html
- cert-portal.siemens.com/productcert/pdf/ssa-764417.pdf
- cert-portal.siemens.com/productcert/csaf/ssa-764417.json
And 8 more references. See all after sign-in
Watch the software you run.
My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.
We'll flag the next CVE, public exploit or patch for Ruggedcom Ros, not every advisory.
A free account adds
- The full version matrix and every affected product
- Exploit links, proofs of concept and Metasploit modules
- Email alerts for the products you watch
- The same data over REST API, MCP and CLI