CVE-2021-2317

Vulnerability in the Oracle Cloud Infrastructure Storage Gateway product of Oracle Storage Gateway (component: Management Console). The supported version that is affected is Prior to 1.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Cloud Infrastructure Storage Gateway. While the vulnerability is in Oracle Cloud Infrastructure Storage Gateway, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in takeover of Oracle Cloud Infrastructure Storage Gateway. Note: Updating the Oracle Cloud Infrastructure Storage Gateway to version 1.4 or later will address these vulnerabilities. Download the latest version of Oracle Cloud Infrastructure Storage Gateway from <a href=" https://www.oracle.com/downloads/cloud/oci-storage-gateway-downloads.html">here. Refer to Document <a href="https://support.oracle.com/rs?type=doc&id=2768897.1">2768897.1 for more details. CVSS 3.1 Base Score 10.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H).

Published: 2021-04-22 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-2317 is rated High Risk (66.6/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.87%). High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2021-2317

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.09% 1.87% -0.22%
2 2025-03-30 3.97% 2.09% -1.88%
3 2025-03-29 — 3.97% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-2317

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 6.0 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2021-2317

Affected software / configurations for CVE-2021-2317

Vendor Product Version Raw CPE
oracle cloud_infrastructure_storage_gateway < 1.4 cpe:2.3:a:oracle:cloud_infrastructure_storage_gateway:*:*:*:*:*:*:*:*

References for CVE-2021-2317

cvelogic Threat Intelligence