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CVE-2019-9898
Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.
Critical9.8EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Potential recycling of random numbers used in cryptography exists within PuTTY before 0.71.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.6% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (11)
- https://www.chiark.greenend.org.uk/~sgtatham/putty/changes.html (opens in a new tab)x_refsource_MISCx_transferred
- 107523 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2019-5776dfe300 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2019-9e1a1cd634 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://security.netapp.com/advisory/ntap-20190329-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://security.netapp.com/advisory/ntap-20190401-0002/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2019:1113 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2019:1123 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20190403 [SECURITY] [DSA 4423-1] putty security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-4423 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20190424 [SECURITY] [DLA 1763-1] putty security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2019-9898)Record last updated .