How severe is CVE-2021-35494?

CVE-2021-35494 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-35494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35494?

CVE-2021-35494 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-2021-35494?

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

When was CVE-2021-35494 published?

CVE-2021-35494 was published on 2021-10-12 and last updated on 2026-06-17.

CVE-2021-35494

CVE-2021-35494 is a medium-severity vulnerability in Tibco Jasperreports Server with a CVSS 3.x base score of 5.7. 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-362.

Key facts

Severity: Medium (CVSS 3.x base score 5.7)
CVSS v2: 3.5
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Tibco Jasperreports Server
Published: 2021-10-12
Last modified: 2026-06-17

Description

The Rest API 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 contain a race condition that allows a low privileged authenticated attacker via the REST API to obtain read access to temporary objects created by other users on the affected system. 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-2021-35494?: The Rest API 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 contain a race condition that allows a low privileged authenticated attacker via the REST API to obtain read access to temporary objects created by other users on the affected system. 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-2021-35494?: CVE-2021-35494 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-35494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35494?: CVE-2021-35494 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-2021-35494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35494 published?: CVE-2021-35494 was published on 2021-10-12 and last updated on 2026-06-17.

References

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:*:*:*:*:-:*:*

More vulnerabilities in Tibco Jasperreports Server

CVE-2018-18815 — Critical (CVSS 10.0): The REST API component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server Community…
CVE-2020-9409 — Critical (CVSS 9.8): The administrative UI component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server for AWS…
CVE-2017-5533 — Critical (CVSS 9.3): A vulnerability in the server content cache of TIBCO JasperReports Server, TIBCO JasperReports Server Community…
CVE-2022-41561 — Critical (CVSS 9.1): The JNDI Data Sources component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO…
CVE-2022-41563 — Critical (CVSS 9.0): The Dashboard component of TIBCO Software Inc.'s TIBCO JasperReports Server, TIBCO JasperReports Server, TIBCO…
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Other CWE-362 (Race Condition) vulnerabilities

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CVE-2010-1228 — Critical (CVSS 10.0): Multiple race conditions in the sandbox infrastructure in Google Chrome before 4.1.249.1036 have unspecified impact and…
CVE-2008-6598 — Critical (CVSS 10.0): Multiple race conditions in WANPIPE before 3.3.6 have unknown impact and attack vectors related to "bri restart logic."
CVE-2026-46137 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: fix potential…

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