# IBM Jazz Team Server products use weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

CVE record · `CVE-2020-4965`

- **Identifiers:** `CVE-2020-4965`
- **State:** Confirmed
- **Severity:** CVSS 5.9 Medium
- **Critical:** No
- **CNA:** ibm
- **Technologies:** [IBM Rational DOORS Next Generation](https://agentprime.io/advisories/technology/ibm-rational-doors-next-generation.md) · [IBM Engineering Test Management](https://agentprime.io/advisories/technology/ibm-engineering-test-management.md) · [IBM Rational Collaborative Lifecycle Management](https://agentprime.io/advisories/technology/ibm-rational-collaborative-lifecycle-management.md) · [IBM Rational Engineering Lifecycle Manager](https://agentprime.io/advisories/technology/ibm-rational-engineering-lifecycle-manager.md) · [IBM Rational Quality Manager](https://agentprime.io/advisories/technology/ibm-rational-quality-manager.md) · [IBM Rational Team Concert](https://agentprime.io/advisories/technology/ibm-rational-team-concert.md) · [IBM Rational Rhapsody Model Manager](https://agentprime.io/advisories/technology/ibm-rational-rhapsody-model-manager.md) · [IBM Engineering Workflow Management](https://agentprime.io/advisories/technology/ibm-engineering-workflow-management.md) · [IBM Engineering Lifecycle Optimization](https://agentprime.io/advisories/technology/ibm-engineering-lifecycle-optimization.md)
- **Published:** 12 Apr 2021
- **Updated:** 16 Sept 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: ibm) at 12 Apr 2021, 18:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: IBM. Product: Rational DOORS Next Generation.
  - affected: `6.0.2`
  - affected: `6.0.6`
  - affected: `6.0.6.1`
  - affected: `7.0`
  - affected: `7.0.1`
  - affected: `7.0.2`
- Vendor: IBM. Product: Engineering Test Management.
  - affected: `7.0.0`
  - affected: `7.0.1`
  - affected: `7.0.2`
- Vendor: IBM. Product: Rational Collaborative Lifecycle Management.
  - affected: `6.0.2`
  - affected: `6.0.6`
  - affected: `6.0.6.1`
- Vendor: IBM. Product: Rational Engineering Lifecycle Manager.
  - affected: `6.0.2`
  - affected: `6.0.6`
  - affected: `6.0.6.1`
  - affected: `7.0`
  - affected: `7.0.1`
- Vendor: IBM. Product: Rational Quality Manager.
  - affected: `6.0.2`
  - affected: `6.0.6`
  - affected: `6.0.6.1`
- Vendor: IBM. Product: Rational Team Concert.
  - affected: `6.0.2`
  - affected: `6.0.6`
  - affected: `6.0.6.1`
- Vendor: IBM. Product: Rational Rhapsody Model Manager.
  - affected: `6.0.6`
  - affected: `6.0.6.1`
  - affected: `7.0`
  - affected: `7.0.1`
  - affected: `6.0.2`
- Vendor: IBM. Product: Engineering Workflow Management.
  - affected: `7.0`
  - affected: `7.0.1`
  - affected: `7.0.2`
- Vendor: IBM. Product: Engineering Lifecycle Optimization.
  - affected: `7.0`
  - affected: `7.0.1`
  - affected: `7.0.2`

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.9 Medium, CVSS 3.0: `CVSS:3.0/C:H/I:N/A:N/UI:N/S:U/AC:H/AV:N/PR:N/RL:O/E:U/RC:C`, from CNA (ibm)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0080, the 56th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 12 Apr 2021. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2020-4965](https://www.cve.org/CVERecord?id=CVE-2020-4965)
- [NVD: CVE-2020-4965](https://nvd.nist.gov/vuln/detail/CVE-2020-4965)

### References from the CNA

- <https://www.ibm.com/support/pages/node/6441803> (confirm)
- <https://exchange.xforce.ibmcloud.com/vulnerabilities/192422> (vdb-entry, xf)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2020-4965>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2020-4965/>. Everything for agents: <https://agentprime.io/llms.txt>.