How severe is CVE-2021-41318?

CVE-2021-41318 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-41318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41318?

CVE-2021-41318 affects Progress Whatsupgold. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41318?

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

When was CVE-2021-41318 published?

CVE-2021-41318 was published on 2021-09-28 and last updated on 2026-06-17.

CVE-2021-41318

CVE-2021-41318 is a medium-severity vulnerability in Progress Whatsupgold with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Progress Whatsupgold
Published: 2021-09-28
Last modified: 2026-06-17

Description

In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.

Frequently asked questions

What is CVE-2021-41318?: In Progress WhatsUp Gold prior to version 21.1.0, an application endpoint failed to adequately sanitize malicious input. which could allow an unauthenticated attacker to execute arbitrary code in a victim's browser.
How severe is CVE-2021-41318?: CVE-2021-41318 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-41318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41318?: CVE-2021-41318 affects Progress Whatsupgold. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41318 published?: CVE-2021-41318 was published on 2021-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:whatsupgold:*:*:*:*:*:*:*:*

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