CVE-2021-27651
CVE-2021-27651 is a critical-severity vulnerability in Pega Infinity with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 54% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 54% (99th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Pega Infinity
- Published:
- Last modified:
Description
In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentication checks.
Frequently asked questions
- What is CVE-2021-27651?
- In versions 8.2.1 through 8.5.2 of Pega Infinity, the password reset functionality for local accounts can be used to bypass local authentication checks.
- How severe is CVE-2021-27651?
- CVE-2021-27651 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-27651 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 54% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-27651?
- CVE-2021-27651 affects Pega Infinity. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-27651?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2021-27651 published?
- CVE-2021-27651 was published on 2021-04-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:pega:infinity:*:*:*:*:*:*:*:*
More vulnerabilities in Pega Infinity
- CVE-2022-24083 — Critical (CVSS 9.8): Password authentication bypass vulnerability for local accounts can be used to bypass local authentication checks.
- CVE-2022-24082 — Critical (CVSS 9.8): If an on-premise installation of the Pega Platform is configured with the port for the JMX interface exposed to the…
- CVE-2024-10094 — Critical (CVSS 9.1): Pega Platform versions 6.x to Infinity 24.1.1 are affected by an issue with Improper Control of Generation of Code
- CVE-2021-27654 — High (CVSS 7.8): Forgotten password reset functionality for local accounts can be used to bypass local authentication checks.
- CVE-2021-27653 — Medium (CVSS 6.6): Misconfiguration of the Pega Chat Access Group portal in Pega platform 7.4.0 - 8.5.x could lead to unintended data…
- CVE-2024-10716 — Medium (CVSS 5.9): Pega Platform versions 8.1 to Infinity 24.2.0 are affected by an XSS issue with search.
All CVEs affecting Pega Infinity →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
- CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
- CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
- CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
- CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…
Browse all CWE-287 (Improper Authentication) vulnerabilities →