How severe is CVE-2021-3535?

CVE-2021-3535 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-3535 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3535?

CVE-2021-3535 affects Rapid7 Nexpose. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3535?

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

When was CVE-2021-3535 published?

CVE-2021-3535 was published on 2021-06-16 and last updated on 2026-06-17.

CVE-2021-3535

CVE-2021-3535 is a medium-severity vulnerability in Rapid7 Nexpose with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rapid7 Nexpose
Published: 2021-06-16
Last modified: 2026-06-17

Description

Rapid7 Nexpose is vulnerable to a non-persistent cross-site scripting vulnerability affecting the Security Console's Filtered Asset Search feature. A specific search criterion and operator combination in Filtered Asset Search could have allowed a user to pass code through the provided search field. This issue affects version 6.6.80 and prior, and is fixed in 6.6.81. If your Security Console currently falls on or within this affected version range, ensure that you update your Security Console to the latest version.

Frequently asked questions

What is CVE-2021-3535?: Rapid7 Nexpose is vulnerable to a non-persistent cross-site scripting vulnerability affecting the Security Console's Filtered Asset Search feature. A specific search criterion and operator combination in Filtered Asset Search could have allowed a user to pass code through the provided search field. This issue affects version 6.6.80 and prior, and is fixed in 6.6.81. If your Security Console currently falls on or within this affected version range, ensure that you update your Security Console to the latest version.
How severe is CVE-2021-3535?: CVE-2021-3535 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-3535 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3535?: CVE-2021-3535 affects Rapid7 Nexpose. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3535?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3535 published?: CVE-2021-3535 was published on 2021-06-16 and last updated on 2026-06-17.

References

https://docs.rapid7.com/release-notes/nexpose/20210505/

Affected products (1)

cpe:2.3:a:rapid7:nexpose:*:*:*:*:*:*:*:*

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