How severe is CVE-2021-42000?

CVE-2021-42000 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-42000 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42000?

CVE-2021-42000 primarily affects Pingidentity Pingfederate. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-42000?

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

When was CVE-2021-42000 published?

CVE-2021-42000 was published on 2022-02-10 and last updated on 2026-06-17.

CVE-2021-42000

CVE-2021-42000 is a medium-severity vulnerability in Pingidentity Pingfederate with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 3.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Pingidentity Pingfederate
Published: 2022-02-10
Last modified: 2026-06-17

Description

When a password reset or password change flow with an authentication policy is configured and the adapter in the reset or change policy supports multiple parallel reset flows, an existing user can reset another existing users password.

Frequently asked questions

What is CVE-2021-42000?: When a password reset or password change flow with an authentication policy is configured and the adapter in the reset or change policy supports multiple parallel reset flows, an existing user can reset another existing users password.
How severe is CVE-2021-42000?: CVE-2021-42000 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-42000 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42000?: CVE-2021-42000 primarily affects Pingidentity Pingfederate. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-42000?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-42000 published?: CVE-2021-42000 was published on 2022-02-10 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:pingidentity:pingfederate:*:*:*:*:*:*:*:*
cpe:2.3:a:pingidentity:pingfederate:9.3.3:-:*:*:*:*:*:*
cpe:2.3:a:pingidentity:pingfederate:9.3.3:p15:*:*:*:*:*:*

More vulnerabilities in Pingidentity Pingfederate

CVE-2021-40329 — Critical (CVSS 9.8): The Authentication API in Ping Identity PingFederate before 10.3 mishandles certain aspects of external password…
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CVE-2023-37283 — High (CVSS 8.1): Under a very specific and highly unrecommended configuration, authentication bypass is possible in the PingFederate…
CVE-2022-40722 — High (CVSS 7.7): A misconfiguration of RSA padding implemented in the PingID Adapter for PingFederate to support Offline MFA with PingID…
CVE-2023-39219 — High (CVSS 7.5): PingFederate Administrative Console dependency contains a weakness where console becomes unresponsive with crafted Java…
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Other CWE-285 (Improper Authorization) vulnerabilities

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