Page generated: 07 Nov 2026, 05:40 UTC
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CVE-2020-10189

Zoho ManageEngine Desktop Central before 10.0.474 allows remote code execution because of deserialization of untrusted data in getChartImage in the FileStorage class. This is related to the CewolfServlet and MDMLogUploaderServlet servlets.

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
9.0/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 9.8: +1.47
  • Fresh EPSS: 99.94%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 13 documents and public datasets.

Hype components

Headline sample (25%)
0/100
Press, 30 days (60%)
0/100
Grounded branding (15%)
0/100
HYPE TOTAL0/100

Sources and documents

Security Affairs
Press · 02 Jul 2022, 07:00 · Experts shared PoC exploit code for RCE in Zoho ManageEngine ADAudit Plus tool - Security Affairs
Google Cloud
Press · 13 Dec 2021, 08:00 · Now You Serial, Now You Don’t — Systematically Hunting for Deserialization Exploits - Google Cloud
The Hacker News
Press · 09 Sep 2021, 07:00 · CISA Warns of Actively Exploited Zoho ManageEngine ADSelfService Vulnerability - The Hacker News
The Record from Recorded Future News
Press · 07 Sep 2021, 07:00 · CISA warns of Zoho server zero-day exploited in the wild - The Record from Recorded Future News
www.trendmicro.com
Press · 28 Apr 2021, 07:00 · Manage Zero Day Exploits (ZDI) with Trend Micro Solutions - www.trendmicro.com
See all 13 source documents
Kroll
Press · 05 Mar 2021, 08:00 · CVE-2020-10189: Zoho ManageEngine Vulnerability Still Dangerous Nearly a Year Later - The Monitor, Issue 15 - Kroll
Tripwire
Press · 18 Dec 2020, 08:00 · VERT Alert: SolarWinds Supply Chain Attack - Tripwire
Bitsight
Press · 23 Oct 2020, 07:00 · Bitsight’s View into the NSA’s Top Vulnerabilities - Bitsight
BleepingComputer
Press · 28 Apr 2020, 07:00 · Microsoft releases guidance on blocking ransomware attacks - BleepingComputer
Help Net Security
Press · 23 Apr 2020, 07:00 · Web shell malware continues to evade many security tools - Help Net Security
Infosecurity Magazine
Press · 25 Mar 2020, 07:00 · APT41 Exploited Cisco, Citrix and Zoho Bugs in Wide-Ranging Campaign - Infosecurity Magazine
Google Cloud
Press · 25 Mar 2020, 07:00 · This Is Not a Test: APT41 Initiates Global Intrusion Campaign Using Multiple Exploits - Google Cloud
BleepingComputer
Press · 06 Mar 2020, 08:00 · Zoho Fixes No-Auth RCE Zero-Day in ManageEngine Desktop Central - BleepingComputer

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

1

Public exploit entries / repo candidates

Source entries and unverified repository candidates are counted separately.

Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, no prior privileges, no user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:12.189153+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
First press mention
06 Mar 2020, 08:00
Published
06 Mar 2020, 16:05
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
02 Jul 2022, 07:00
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
1 repositories