Privilege escalation in Microsoft Windows
CVE-2021-42956
Zoho Remote Access Plus Server Windows Desktop Binary fixed in 10.1.2132.6 is affected by a sensitive information disclosure vulnerability. Due to improper privilege management, the process launches as the logged in user, so memory dump can be done by non-admin also. Remotely, an attacker can dump all sensitive information including DB Connection string, entire IT infrastructure details, commands executed by IT admin including credentials, secrets, private keys and more.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.007 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- medium.com/nestedif/vulnerability-disclosure-sensitive-info-leakage-agent-memor… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-42956?
- CVE-2021-42956 is a high-severity vulnerability in Microsoft Windows, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-11-17.
- How severe is CVE-2021-42956?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-42956 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.