CVE-2025-54500 (GCVE-0-2025-54500)
Vulnerability from cvelistv5 – Published: 2025-08-13 14:46 – Updated: 2025-11-03 20:06
VLAI
EPSS
VEX
Title
HTTP/2 Vulnerability
Summary
An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-13 15:23 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000152001 | vendor-advisory |
| https://www.kb.cert.org/vuls/id/767506 |
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| F5 | BIG-IP |
Affected:
17.5.0 , < *
(custom)
Affected: 17.1.0 , < * (custom) Affected: 16.1.0 , < * (custom) Affected: 15.1.0 , < * (custom) |
guessed | |
| F5 | BIG-IP Next |
Affected:
20.3.0 , < *
(custom)
|
guessed | |
| F5 | BIG-IP Next SPK |
Affected:
2.0.0 , < *
(custom)
Affected: 1.7.0 , < * (custom) |
guessed | |
| F5 | BIG-IP Next CNF |
Affected:
2.0.0 , < *
(custom)
Affected: 1.1.0 , < * (custom) |
guessed | |
| F5 | BIG-IP Next for Kubernetes |
Affected:
2.0.0 , < *
(custom)
|
guessed |
Date Public
2025-08-13 14:00
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],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"options": [
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},
{
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},
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],
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}
}
]
},
"published": "2025-08-13T15:15:38.547",
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],
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},
{
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],
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}
],
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"value": "CWE-770"
}
],
"source": "f5sirt@f5.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
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"current_release_date": "2026-07-08T15:08:28+00:00",
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"initial_release_date": "2025-08-13T14:46:55.097000+00:00",
"product_status:known_not_affected": "77",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "nginx: HTTP/2 Vulnerability",
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"version": "3"
},
"suse_vex": {
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"current_release_date": "2026-09-02T12:33:27Z",
"cve": "CVE-2025-54500",
"id": "CVE-2025-54500",
"initial_release_date": "2025-08-21T23:21:50Z",
"product_status:known_not_affected": "80",
"source": "SUSE CSAF VEX",
"status": "interim",
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"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-54500.json",
"version": "8"
},
"vulnrichment": {
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"dateUpdated": "2025-11-03T20:06:30.935Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
"references": [
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}
],
"title": "CVE Program Container"
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"metrics": [
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"options": [
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{
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"title": "CISA ADP Vulnrichment"
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],
"cna": {
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{
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"modules": [
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"HTTP/2 enabled virtual server"
],
"product": "BIG-IP",
"vendor": "F5",
"versions": [
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"status": "affected",
"version": "17.5.0",
"versionType": "custom"
},
{
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"status": "affected",
"version": "17.1.0",
"versionType": "custom"
},
{
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"status": "affected",
"version": "16.1.0",
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},
{
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"status": "affected",
"version": "15.1.0",
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}
]
},
{
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],
"product": "BIG-IP Next",
"vendor": "F5",
"versions": [
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]
},
{
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"modules": [
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],
"product": "BIG-IP Next SPK",
"vendor": "F5",
"versions": [
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"status": "affected",
"version": "2.0.0",
"versionType": "custom"
},
{
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},
{
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"product": "BIG-IP Next CNF",
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"product": "BIG-IP Next for Kubernetes",
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}
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],
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],
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
},
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}
]
}
],
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"descriptions": [
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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
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],
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}
],
"source": {
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},
"title": "HTTP/2 Vulnerability",
"x_generator": {
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}
}
},
"cveMetadata": {
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"datePublished": "2025-08-13T14:46:55.097Z",
"dateReserved": "2025-07-29T17:12:25.031Z",
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"state": "PUBLISHED"
},
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}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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