PatchTheCVECVE-2020-27977: CapaSystems CapaInstaller before 6.0.101 does not properly assign, modify, or check privileges for an actor wh
CVE-2020-27977 is a high-severity flaw (CVSS 7.8) affecting capainstaller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
CapaSystems CapaInstaller before 6.0.101 does not properly assign, modify, or check privileges for an actor who attempts to edit registry values, allowing an attacker to escalate privileges.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 73%) |
| CISA exploited list | No |
| Published | 2020-11-09 |
| 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-2020-27977?
capainstaller: upgrade to 6.0.101. Exact commands for each OS are on this page.
Is CVE-2020-27977 being exploited?
CVE-2020-27977 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-2020-27977 affect?
CVE-2020-27977 affects capainstaller. Severity is high (CVSS 7.8). CapaSystems CapaInstaller before 6.0.101 does not properly assign, modify, or check privileges for an actor who attempts to edit registry values, allowing an attacker to escalate privileges.
How urgent is CVE-2020-27977?
Priority 34/100. High severity