How severe is CVE-2021-2404?

CVE-2021-2404 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-2404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-2404?

CVE-2021-2404 affects Oracle Peoplesoft Enterprise Hcm Candidate Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-2404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-2404 published?

CVE-2021-2404 was published on 2021-07-21 and last updated on 2026-06-17.

CVE-2021-2404

CVE-2021-2404 is a medium-severity vulnerability in Oracle Peoplesoft Enterprise Hcm Candidate Gateway with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Oracle Peoplesoft Enterprise Hcm Candidate Gateway
Published: 2021-07-21
Last modified: 2026-06-17

Description

Vulnerability in the PeopleSoft Enterprise HCM Candidate Gateway product of Oracle PeopleSoft (component: e-mail notification). The supported version that is affected is 9.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise HCM Candidate Gateway. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise HCM Candidate Gateway accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise HCM Candidate Gateway accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).

Frequently asked questions

What is CVE-2021-2404?: Vulnerability in the PeopleSoft Enterprise HCM Candidate Gateway product of Oracle PeopleSoft (component: e-mail notification). The supported version that is affected is 9.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise PeopleSoft Enterprise HCM Candidate Gateway. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of PeopleSoft Enterprise HCM Candidate Gateway accessible data as well as unauthorized read access to a subset of PeopleSoft Enterprise HCM Candidate Gateway accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N).
How severe is CVE-2021-2404?: CVE-2021-2404 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-2404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-2404?: CVE-2021-2404 affects Oracle Peoplesoft Enterprise Hcm Candidate Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-2404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-2404 published?: CVE-2021-2404 was published on 2021-07-21 and last updated on 2026-06-17.

References

https://www.oracle.com/security-alerts/cpujul2021.html

Affected products (1)

cpe:2.3:a:oracle:peoplesoft_enterprise_hcm_candidate_gateway:9.2:*:*:*:*:*:*:*