CVE-2021-2461

Vulnerability in the Oracle Communications Interactive Session Recorder product of Oracle Communications (component: Provision API). The supported version that is affected is 6.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Communications Interactive Session Recorder. While the vulnerability is in Oracle Communications Interactive Session Recorder, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Communications Interactive Session Recorder accessible data as well as unauthorized read access to a subset of Oracle Communications Interactive Session Recorder accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Communications Interactive Session Recorder. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L).

Published: 2021-10-20 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2021-2461 is rated Moderate Risk (58.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.75%). Review affected assets and schedule 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-2021-2461

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 2025-03-30 0.63% 0.75% +0.12%
2 2025-03-29 0.75% 0.63% -0.12%
3 2025-03-19 — 0.75% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2021-2461

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.3 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L 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:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:L)
Might cause slowdowns, glitches, or partial disruption—not a full brick.
 3.9 3.7 [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-2021-2461

Affected software / configurations for CVE-2021-2461

Vendor Product Version Raw CPE
oracle communications_interactive_session_recorder 6.4 cpe:2.3:a:oracle:communications_interactive_session_recorder:6.4:*:*:*:*:*:*:*

References for CVE-2021-2461

cvelogic Threat Intelligence