How severe is CVE-2021-32541?

CVE-2021-32541 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2021-32541 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-32541?

CVE-2021-32541 affects Sysjust Cts Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-32541?

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

When was CVE-2021-32541 published?

CVE-2021-32541 was published on 2021-05-28 and last updated on 2026-06-17.

CVE-2021-32541

CVE-2021-32541 is a medium-severity vulnerability in Sysjust Cts Web 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-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Sysjust Cts Web
Published: 2021-05-28
Last modified: 2026-06-17

Description

The CTS Web transaction system related to authentication and session management is implemented incorrectly, which allows remote unauthenticated attackers can send a large number of valid usernames, and force those logged-in account to log out, causing the user to be unable to access the services

Frequently asked questions

What is CVE-2021-32541?: The CTS Web transaction system related to authentication and session management is implemented incorrectly, which allows remote unauthenticated attackers can send a large number of valid usernames, and force those logged-in account to log out, causing the user to be unable to access the services
How severe is CVE-2021-32541?: CVE-2021-32541 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2021-32541 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32541?: CVE-2021-32541 affects Sysjust Cts Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32541?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-32541 published?: CVE-2021-32541 was published on 2021-05-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sysjust:cts_web:*:*:*:*:*:*:*:*

More vulnerabilities in Sysjust Cts Web

CVE-2021-32543 — Medium (CVSS 6.5): The CTS Web transaction system related to authentication management is implemented incorrectly. After login, remote…
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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…

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