How severe is CVE-2021-35496?

CVE-2021-35496 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-35496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35496?

CVE-2021-35496 primarily affects Tibco Jasperreports Server. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-35496?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-35496 published?

CVE-2021-35496 was published on 2021-10-12 and last updated on 2026-06-17.

CVE-2021-35496

CVE-2021-35496 is a high-severity vulnerability in Tibco Jasperreports Server with a CVSS 3.x base score of 7.5. 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-611.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.0
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Tibco Jasperreports Server
Published: 2021-10-12
Last modified: 2026-06-17

Description

The XMLA Connections component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server - Community Edition, TIBCO JasperReports Server - Developer Edition, TIBCO JasperReports Server for AWS Marketplace, TIBCO JasperReports Server for ActiveMatrix BPM, and TIBCO JasperReports Server for Microsoft Azure contains a difficult to exploit vulnerability that allows a low privileged attacker with network access to interfere with XML processing in the affected component. Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Server: versions 7.2.1 and below, TIBCO JasperReports Server: versions 7.5.0 and 7.5.1, TIBCO JasperReports Server: version 7.8.0, TIBCO JasperReports Server: version 7.9.0, TIBCO JasperReports Server - Community Edition: versions 7.8.0 and below, TIBCO JasperReports Server - Developer Edition: versions 7.9.0 and below, TIBCO JasperReports Server for AWS Marketplace: versions 7.9.0 and below, TIBCO JasperReports Server for ActiveMatrix BPM: versions 7.9.0 and below, and TIBCO JasperReports Server for Microsoft Azure: version 7.8.0.

Frequently asked questions

What is CVE-2021-35496?: The XMLA Connections component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO JasperReports Server - Community Edition, TIBCO JasperReports Server - Developer Edition, TIBCO JasperReports Server for AWS Marketplace, TIBCO JasperReports Server for ActiveMatrix BPM, and TIBCO JasperReports Server for Microsoft Azure contains a difficult to exploit vulnerability that allows a low privileged attacker with network access to interfere with XML processing in the affected component. Affected releases are TIBCO Software Inc.'s TIBCO JasperReports Server: versions 7.2.1 and below, TIBCO JasperReports Server: versions 7.5.0 and 7.5.1, TIBCO JasperReports Server: version 7.8.0, TIBCO JasperReports Server: version 7.9.0, TIBCO JasperReports Server - Community Edition: versions 7.8.0 and below, TIBCO JasperReports Server - Developer Edition: versions 7.9.0 and below, TIBCO JasperReports Server for AWS Marketplace: versions 7.9.0 and below, TIBCO JasperReports Server for ActiveMatrix BPM: versions 7.9.0 and below, and TIBCO JasperReports Server for Microsoft Azure: version 7.8.0.
How severe is CVE-2021-35496?: CVE-2021-35496 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-35496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35496?: CVE-2021-35496 primarily affects Tibco Jasperreports Server. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-35496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-35496 published?: CVE-2021-35496 was published on 2021-10-12 and last updated on 2026-06-17.

References

https://www.tibco.com/services/support/advisories

Affected products (10)

cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:*:-:*:*
cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:*:microsoft_azure:*:*
cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:community:*:*:*
cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:*:activematrix_bpm:*:*
cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:*:aws_marketplace:*:*
cpe:2.3:a:tibco:jasperreports_server:*:*:*:*:developer:*:*:*
cpe:2.3:a:tibco:jasperreports_server:7.5.0:*:*:*:*:-:*:*
cpe:2.3:a:tibco:jasperreports_server:7.5.1:*:*:*:*:-:*:*
cpe:2.3:a:tibco:jasperreports_server:7.8.0:*:*:*:*:-:*:*
cpe:2.3:a:tibco:jasperreports_server:7.9.0:*:*:*:*:-:*:*

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