CVE-2021-38244
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older...
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
- Record
CVE-2021-38244- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-770
- Updated
- 2026-11-02
CVE List No score
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
- Record
CVE-2021-38244- Updated
- 2026-11-02
EUVDEUVD-2021-24702 No score
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
- Record
EUVD-2021-24702- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6624-25m9-qrx8 No score
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older...
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
- Record
GHSA-6624-25m9-qrx8- Weakness
- CWE-770
- Updated
- 2026-11-02
OSV
A regular expression denial of service (ReDoS) vulnerability exits in cbioportal 3.6.21 and older via a POST request to /ProteinArraySignificanceTest.json.
- Record
CVE-2021-38244- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38244 is a high vulnerability (CVSS 7.5) in Cbioportal Project Cbioportal, published December 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.22%, the 68th percentile. No source names a fixed version.