Page generated: 10 Nov 2026, 16:50 UTC
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CVE-2020-5741

Deserialization of Untrusted Data in Plex Media Server on Windows allows a remote, authenticated attacker to execute arbitrary Python code.

CVSS 7.2 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
0.0/10
REALITY · THREAT PRIORITY
8.4/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 7.2: +1.08
  • Fresh EPSS: 72.94%: +0.36

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

Sources: 10 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

SC Media
Press · 09 Sep 2026, 07:00 · Over 36,000 Plex media servers remain unpatched against security vulnerabilities - SC Media
SC Media
Press · 04 Sep 2026, 07:00 · Plex urges immediate updates for media server and desktop clients due to security vulnerabilities - SC Media
The Hacker News
Press · 04 Sep 2026, 07:00 · Plex Urges Immediate Updates After Patching Multiple Undisclosed Security Flaws - The Hacker News
Help Net Security
Press · 27 Aug 2025, 07:00 · 300k+ Plex Media Server instances still vulnerable to attack via CVE-2025-34158 - Help Net Security
Korben
Press · 20 Aug 2025, 07:00 · Plex Media Server - Critical security update: patch now - Korben
See all 10 source documents
Lifehacker
Press · 19 Aug 2025, 07:00 · Why You Need to Update Your Plex Server ASAP - Lifehacker
BleepingComputer
Press · 11 Mar 2023, 08:00 · CISA warns of actively exploited Plex bug after LastPass breach - BleepingComputer
The Hacker News
Press · 07 Mar 2023, 08:00 · LastPass Hack: Engineer's Failure to Update Plex Software Led to Massive Data Breach - The Hacker News
PCMag UK
Press · 03 Mar 2023, 08:00 · LastPass Employee Could've Prevented Hack With a Software Update - PCMag UK
BleepingComputer
Press · 16 Jun 2020, 07:00 · Plex fixes Media Server bugs allowing full system takeover - 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 8.4 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

0

Public exploit entries / repo candidates

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 7.2; EPSS 72.9%
Attention, last 30 days
0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential
network access, high 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 13:58:19.609425+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
08 May 2020, 12:02
First press mention
16 Jun 2020, 07:00
Added to the CISA KEV catalog
10 Mar 2023, 00:00
Latest press mention
09 Sep 2026, 07:00
Score calculated
05 Nov 2026, 13:58