What is CVE-2020-27688?

CVE-2020-27688 is a high-severity vulnerability in Robware Rvtools, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2020-11-05.

How severe is CVE-2020-27688?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2020-27688 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Robware Rvtools

CVE-2020-27688

RVToolsPasswordEncryption.exe in RVTools 4.0.6 allows users to encrypt passwords to be used in the configuration files. This encryption used a static IV and key, and thus using the Decrypt() method from VISKD.cs from the RVTools.exe executable allows for decrypting the encrypted passwords. The accounts used in the configuration files have access to vSphere instances.

EPSS: 0.019 (79.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Robware Rvtools — versions 4.0.6
N/a — versions n/a

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

Public proof-of-concept exploits

References

cve@mitre.org (Product, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27688?: CVE-2020-27688 is a high-severity vulnerability in Robware Rvtools, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2020-11-05.
How severe is CVE-2020-27688?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-27688 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.