CVE-2023-48713
Knative Serving vulnerable to attacker-controlled pod causing denial of service of autoscaler
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
Knative Serving builds on Kubernetes to support deploying and serving of applications and functions as serverless containers. An attacker who controls a pod to a degree where they can control the responses from the /metrics endpoint can cause Denial-of-Service of the autoscaler from an unbound memory allocation bug. This is a DoS vulnerability, where a non-privileged Knative user can cause a DoS for the cluster. This issue has been patched in version 0.39.0.
Timeline
ID reserved
By GitHub_M
- 11 days later
· 11 days later
Published
- 11 months later
· 11 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.87% · top 41% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Goknative.dev/servingGHSA-qmvj-4qr9-v547 (opens in a new tab)
References (4)
- https://github.com/knative/serving/security/advisories/GHSA-qmvj-4qr9-v547 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/knative/serving/commit/012ee2509231b80b7842139bfabc30516d3026ca (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/knative/serving/commit/101f814112b9ca0767f457e7e616b46205551cf1 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/knative/serving/commit/fff40ef7bac9be8380ec3d1c70fc15b57093382a (opens in a new tab)x_refsource_MISCx_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-qmvj-4qr9-v547 (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-2023-48713)Record last updated .