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Page generated: 08 Nov 2026, 10:27 UTC

CVE-2020-2883

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Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via IIOP, T3 to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in takeover of Oracle WebLogic Server. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

8.9/10

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: 94.58%: +0.47

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

Sources: 6 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 Jun 2026, 07:00 · U.S. CISA adds Oracle WebLogic flaw to its Known Exploited Vulnerabilities catalog - Security Affairs

The Hacker News

Press · 22 Jan 2025, 08:00 · Oracle Releases January 2025 Patch to Address 318 Flaws Across Major Products - The Hacker News

www.thestack.technology

Press · 08 Jan 2025, 08:00 · CISA adds 2020 Oracle vulnerability to KEV: We hope you... - www.thestack.technology

BleepingComputer

Press · 07 Jan 2025, 08:00 · CISA warns of critical Oracle, Mitel flaws exploited in attacks - BleepingComputer

EclecticIQ Blog

Press · 22 May 2020, 07:00 · EclecticIQ Monthly Vulnerability Trend Report - April 2020 - EclecticIQ Blog

See all 6 source documents

thezdi.com

Press · 11 May 2020, 07:00 · Details on the Oracle WebLogic Vulnerability Being Exploited in the Wild - thezdi.com

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 8.9 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 5 repos with metrics

Repository	Stars	Forks	Language	Updated
zhzyker/exphub	4,293	1,078	Python	04 Apr 2021, 09:13
hktalent/CVE_2020_2546	133	27	—	05 Mar 2023, 12:40
zzwlpx/weblogicPoc	89	24	Python	07 Aug 2022, 06:36
MagicZer0/Weblogic_CVE-2020-2883_POC	15	1	Java	13 May 2020, 10:19
Qynklee/POC_CVE-2020-2883	0	0	Java	15 Nov 2021, 09:17

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 94.6%
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 13:58:17.488851+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

Published

15 Apr 2020, 13:29

First press mention

11 May 2020, 07:00

Added to the CISA KEV catalog

07 Jan 2025, 00:00

Latest press mention

02 Jun 2026, 07:00

Score calculated

05 Nov 2026, 13:58

PoCs on GitHub

5 repositories