CVE-2020-26172
CVE-2020-26172 is a medium-severity vulnerability in Tangro Business Workflow with a CVSS 3.x base score of 4.2. 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-294.
Key facts
- Severity: Medium (CVSS 3.x base score 4.2)
- CVSS v2: 6.4
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-294
- Affected product: Tangro Business Workflow
- Published:
- Last modified:
Description
Every login in tangro Business Workflow before 1.18.1 generates the same JWT token, which allows an attacker to reuse the token when a session is active. The JWT token does not contain an expiration timestamp.
Frequently asked questions
- What is CVE-2020-26172?
- Every login in tangro Business Workflow before 1.18.1 generates the same JWT token, which allows an attacker to reuse the token when a session is active. The JWT token does not contain an expiration timestamp.
- How severe is CVE-2020-26172?
- CVE-2020-26172 has a CVSS 3.x base score of 4.2, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2020-26172 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-26172?
- CVE-2020-26172 affects Tangro Business Workflow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-26172?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-26172 published?
- CVE-2020-26172 was published on 2020-12-18 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tangro:business_workflow:*:*:*:*:*:*:*:*
More vulnerabilities in Tangro Business Workflow
- CVE-2020-26174 — High (CVSS 8.8): tangro Business Workflow before 1.18.1 requests a list of allowed filetypes from the server and restricts uploads to…
- CVE-2020-26175 — Medium (CVSS 6.5): In tangro Business Workflow before 1.18.1, an attacker can manipulate the value of PERSON in requests to /api/profile…
- CVE-2020-26178 — Medium (CVSS 5.3): In tangro Business Workflow before 1.18.1, knowing an attachment ID, it is possible to download workitem attachments…
- CVE-2020-26177 — Medium (CVSS 4.3): In tangro Business Workflow before 1.18.1, a user's profile contains some items that are greyed out and thus are not…
- CVE-2020-26176 — Medium (CVSS 4.3): An issue was discovered in tangro Business Workflow before 1.18.1. No (or broken) access control checks exist on the…
- CVE-2020-26171 — Medium (CVSS 4.3): In tangro Business Workflow before 1.18.1, the documentId of attachment uploads to /api/document/attachments/upload can…
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