Threats / Oracle / CVE-2020-2555
CVE-2020-2555
· EUVD no mirror located
· GCVE no mirror located
Verified 2026-06-22
Oracle Multiple Products vulnerability
Multiple Oracle products contain an unauthenticated remote code execution vulnerability exploitable via T3 or HTTP protocols, allowing attackers to compromise affected systems.
Verdict
Today item — known-exploited.
An unauthenticated network attacker can exploit deserialization flaws in Oracle Coherence, Utilities Framework, Retail Assortment Planning, Commerce, and Communications DSR to execute arbitrary code and gain system control without credentials.
01
Is it exploitable?
— the evidence, ranked above the scoreExploit available
Fully weaponized — public exploit code is cataloged for this vulnerability.We link the existence of the exploit; we do not host or redistribute payloads.
Reported exploitation
5 independent public reports of in-the-wild exploitation are cataloged.Distinct reporting sources (vendor, incident response, government); open them for the underlying claims.
Exploited in the wild
Listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03).
Probability (EPSS)
EPSS 0.97116 — modeled likelihood of exploitation activity.EPSS is a daily-changing model output — open the source for today's value.
Severity / affected
Affected: Oracle, Multiple Products. Confirm exact fixed builds in the vendor advisory.
Weakness (CWE)
Mapped to CWE-502 Deserialization of Untrusted Data — weakness family: Injection.CWE assignment from the public NVD record; the weakness class drives how the flaw is exploited.
02
Who’s exploiting it?
— attribution turns risk into urgencyAttribution not established
No confirmed (advisory-backed) threat-actor attribution is established for this record. Absence of a named actor is not absence of compromise — see Coverage & confidence.
03
Why it matters
— the attack path, told twice: adversary, then board1
Front door — unauthenticated access narrative 1
Attacker
I craft a malicious serialized Java object and send it via T3 or HTTP to the vulnerable Oracle service endpoint.
Business
The organization's Oracle infrastructure becomes immediately compromised, exposing all data and systems connected to affected products.
2
Keys to the kingdom — privilege/identity takeover narrative 2
Attacker
I trigger unsafe deserialization of my payload, causing arbitrary code execution with the privileges of the Oracle process.
Business
Attackers gain persistent access to critical business systems including retail planning, communications infrastructure, and middleware services.
3
Lateral reach — past segmentation narrative 3
Attacker
I establish command and control access to move laterally through the network and exfiltrate sensitive data.
Business
Enterprise operations, customer data, and business continuity are compromised across multiple product lines simultaneously.
04
What to do
— defensible action- Remediate per the vendor advisory — confirm the fixed build for your version and verify exposure.1
Say it to the boardA vulnerability with this evidence profile is a defensible budget line, not a backlog ticket — fund the change against the proof above.
05