How severe is CVE-2021-44848?

CVE-2021-44848 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 low, integrity none, and availability none.

Is CVE-2021-44848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44848?

CVE-2021-44848 affects Cybelesoft Thinfinity Virtualui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44848?

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

When was CVE-2021-44848 published?

CVE-2021-44848 was published on 2021-12-13 and last updated on 2026-06-17.

CVE-2021-44848

CVE-2021-44848 is a medium-severity vulnerability in Cybelesoft Thinfinity Virtualui with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 23% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 23% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-203
Affected product: Cybelesoft Thinfinity Virtualui
Published: 2021-12-13
Last modified: 2026-06-17

Description

In Cibele Thinfinity VirtualUI before 3.0, /changePassword returns different responses for invalid authentication requests depending on whether the username exists.

Frequently asked questions

What is CVE-2021-44848?: In Cibele Thinfinity VirtualUI before 3.0, /changePassword returns different responses for invalid authentication requests depending on whether the username exists.
How severe is CVE-2021-44848?: CVE-2021-44848 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 low, integrity none, and availability none.
Is CVE-2021-44848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 23% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44848?: CVE-2021-44848 affects Cybelesoft Thinfinity Virtualui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44848 published?: CVE-2021-44848 was published on 2021-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cybelesoft:thinfinity_virtualui:*:*:*:*:*:*:*:*

More vulnerabilities in Cybelesoft Thinfinity Virtualui

CVE-2021-45092 — Critical (CVSS 9.8): Thinfinity VirtualUI before 3.0 has functionality in /lab.html reachable by default that could allow IFRAME injection…
CVE-2021-46354 — High (CVSS 7.5): Thinfinity VirtualUI 2.1.28.0, 2.1.32.1 and 2.5.26.2, fixed in version 3.0 is affected by an information disclosure…
CVE-2019-16384 — Medium (CVSS 6.5): Cybele Thinfinity VirtualUI 2.5.17.2 allows ../ path traversal that can be used for data exfiltration. This enables…
CVE-2019-16385 — Medium (CVSS 6.1): Cybele Thinfinity VirtualUI 2.5.17.2 allows HTTP response splitting via the mimetype parameter within a PDF viewer…
CVE-2021-44554 — Medium (CVSS 5.3): Thinfinity VirtualUI before 3.0 allows a malicious actor to enumerate users registered in the OS (Windows) through the…

All CVEs affecting Cybelesoft Thinfinity Virtualui →

Other CWE-203 (Observable Discrepancy) vulnerabilities

CVE-2019-25337 — Critical (CVSS 9.8): OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by…
CVE-2026-23519 — Critical (CVSS 9.8): RustCrypto CMOV provides conditional move CPU intrinsics which are guaranteed on major platforms to execute in…
CVE-2025-27667 — Critical (CVSS 9.8): Vasion Print (formerly PrinterLogic) before Virtual Appliance Host 22.0.843 Application 20.0.1923 allows Administrative…
CVE-2024-25714 — Critical (CVSS 9.8): In Rhonabwy through 1.1.13, HMAC signature verification uses a strcmp function that is vulnerable to side-channel…
CVE-2024-25191 — Critical (CVSS 9.8): php-jwt 1.0.0 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass…
CVE-2024-25190 — Critical (CVSS 9.8): l8w8jwt 2.2.1 uses memcmp (which is not constant time) to verify authentication, which makes it easier to bypass…

Browse all CWE-203 (Observable Discrepancy) vulnerabilities →