CVE-2019-3955: Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due t
CVE-2019-3955 is a high-severity flaw (CVSS 7.5) affecting remote mini control. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due to the server not properly validating RsaPubKeyLen during key negotiation. An unauthenticated remote attacker can cause a heap buffer overflow by specifying a large RsaPubKeyLen, which could cause a denial of service.
Why this priority
- High severity
- EPSS top 3%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 17.9% (top 3%) |
| CISA exploited list | No |
| Weakness | CWE-787 |
| Published | 2019-06-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-3955?
remote mini control: upgrade to newer than 12.1.0.34. Exact commands for each OS are on this page.
Is CVE-2019-3955 being exploited?
CVE-2019-3955 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-3955 affect?
CVE-2019-3955 affects remote mini control. Severity is high (CVSS 7.5). Dameware Remote Mini Control version 12.1.0.34 and prior contains a unauthenticated remote heap overflow due to the server not properly validating RsaPubKeyLen during key negotiation. An unauthenticated remote attacker can cause a heap buff
How urgent is CVE-2019-3955?
Priority 61/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2019-3956 HIGH 7.4 UPGRADE Dameware Remote Mini Control version 12.1.0.34 and prior contains an unauthenticated remote buffer over-read d