How severe is CVE-2017-5530?

CVE-2017-5530 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2017-5530 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5530?

CVE-2017-5530 primarily affects Tibco Tibbr. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-5530?

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-2017-5530 published?

CVE-2017-5530 was published on 2017-12-13 and last updated on 2026-06-17.

CVE-2017-5530

CVE-2017-5530 is a high-severity vulnerability in Tibco Tibbr with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Tibco Tibbr
Published: 2017-12-13
Last modified: 2026-06-17

Description

The tibbr web server components of tibbr Community, and tibbr Enterprise contain SAML protocol handling errors which may allow authorized users to impersonate other users, and therefore escalate their access privileges. Affected releases are tibbr Community 5.2.1 and below; 6.0.0; 6.0.1; 7.0.0, tibbr Enterprise 5.2.1 and below; 6.0.0; 6.0.1; 7.0.0.

Frequently asked questions

What is CVE-2017-5530?: The tibbr web server components of tibbr Community, and tibbr Enterprise contain SAML protocol handling errors which may allow authorized users to impersonate other users, and therefore escalate their access privileges. Affected releases are tibbr Community 5.2.1 and below; 6.0.0; 6.0.1; 7.0.0, tibbr Enterprise 5.2.1 and below; 6.0.0; 6.0.1; 7.0.0.
How severe is CVE-2017-5530?: CVE-2017-5530 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2017-5530 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5530?: CVE-2017-5530 primarily affects Tibco Tibbr. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5530?: 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-2017-5530 published?: CVE-2017-5530 was published on 2017-12-13 and last updated on 2026-06-17.

References

https://www.tibco.com/support/advisories/2017/12/tibco-security-advisory-december-12-2017-tibbr-2017-5530

Affected products (8)

cpe:2.3:a:tibco:tibbr:*:*:*:*:community:*:*:*
cpe:2.3:a:tibco:tibbr:6.0.0:*:*:*:community:*:*:*
cpe:2.3:a:tibco:tibbr:6.0.1:*:*:*:community:*:*:*
cpe:2.3:a:tibco:tibbr:7.0.0:*:*:*:community:*:*:*
cpe:2.3:a:tibco:tibbr:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:tibco:tibbr:6.0.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:tibco:tibbr:6.0.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:tibco:tibbr:7.0.0:*:*:*:enterprise:*:*:*

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