Known exploited vulnerability
CVE-2020-2555
The short answer
CVE-2020-2555 affects Oracle Corporation WebCenter Portal and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Caching,CacheStore,Invocation). Supported versions that are affected are 3.7.1.0, 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 T3 to compromise Oracle Coherence. Successful attacks of this vulnerability can result in takeover of Oracle Coherence. 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).
Weakness: CWE-502.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
97%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
WebCenter Portal, Utilities Framework. NVD's record lists the exact affected versions.
References
- www.oracle.com/security-alerts/cpujan2020.html Vendor Advisory
- www.oracle.com/security-alerts/cpujan2021.html Vendor Advisory
- www.oracle.com/security-alerts/cpujul2020.html Vendor Advisory
- www.oracle.com/security-alerts/cpujul2021.html PatchVendor Advisory
- www.oracle.com/security-alerts/cpuoct2020.html PatchVendor Advisory
- www.oracle.com/security-alerts/cpujan2020.html Vendor Advisory
- www.oracle.com/security-alerts/cpujan2021.html Vendor Advisory
- www.oracle.com/security-alerts/cpujul2020.html Vendor Advisory
- www.oracle.com/security-alerts/cpujul2021.html PatchVendor Advisory
- www.oracle.com/security-alerts/cpuoct2020.html PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-2555 US Government Resource
Questions
Is CVE-2020-2555 being exploited?
Yes. CISA added CVE-2020-2555 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2020-2555?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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