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CVE-2018-1000656
The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in…
High7.5EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount of memory usage possibly leading to denial of service. This attack appear to be exploitable via Attacker provides JSON data in incorrect encoding. This vulnerability appears to have been fixed in 0.12.3. NOTE: this may overlap CVE-2019-1010083.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.8% 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: High 7.5.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
References (5)
- https://security.netapp.com/advisory/ntap-20190221-0001/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/pallets/flask/pull/2691 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/pallets/flask/releases/tag/0.12.3 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190820 [SECURITY] [DLA 1892-1] flask security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4378-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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 Advisory GHSA-562c-5r94-xh97 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-1000656)Record last updated .