CVE-2025-61955 (GCVE-0-2025-61955)
Vulnerability from cvelistv5 – Published: 2025-10-15 13:55 – Updated: 2026-02-26 16:57 X_F5
VLAI
EPSS
VEX
Title
F5OS vulnerability
Summary
A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges. A successful exploit may allow the attacker to cross a security boundary. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 03:56 UTC
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://my.f5.com/manage/s/article/K000156771 | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| F5 | F5OS - Appliance |
Affected:
1.8.0 , < 1.8.3
(custom)
Affected: 1.5.0 , < 1.5.4 (custom) |
guessed | |
| F5 | F5OS - Chassis |
Affected:
1.8.0 , < 1.8.2
(custom)
Affected: 1.6.0 , < 1.6.4 (custom) |
guessed |
Date Public
2025-10-15 14:00
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-61955",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-16T03:56:23.454849Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-26T16:57:35.967Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "F5OS - Appliance",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.3",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.5.4",
"status": "affected",
"version": "1.5.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "F5OS - Chassis",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.2",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.6.4",
"status": "affected",
"version": "1.6.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "F5"
}
],
"datePublic": "2025-10-15T14:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges.\u0026nbsp; A successful exploit may allow the attacker to cross a security boundary.\u003c/span\u003e\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u0026nbsp;Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
}
],
"value": "A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges.\u00a0 A successful exploit may allow the attacker to cross a security boundary.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Appliance Mode"
}
]
},
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Non-Appliance Mode"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-95",
"description": "CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-15T13:55:53.996Z",
"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"shortName": "f5"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://my.f5.com/manage/s/article/K000156771"
}
],
"source": {
"discovery": "INTERNAL"
},
"tags": [
"x_F5"
],
"title": "F5OS vulnerability",
"x_generator": {
"engine": "F5 SIRTBot v1.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"assignerShortName": "f5",
"cveId": "CVE-2025-61955",
"datePublished": "2025-10-15T13:55:53.996Z",
"dateReserved": "2025-10-03T23:04:43.579Z",
"dateUpdated": "2026-02-26T16:57:35.967Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-61955",
"date": "2026-10-21",
"epss": "0.00246",
"percentile": "0.14909"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "F5OS - Appliance",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.3",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.5.4",
"status": "affected",
"version": "1.5.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "F5OS - Chassis",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.2",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.6.4",
"status": "affected",
"version": "1.6.0",
"versionType": "custom"
}
]
}
],
"source": "f5sirt@f5.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:f5:f5os-a:*:*:*:*:*:*:*:*",
"matchCriteriaId": "274F5948-3CDD-4E53-8D4F-AF728EE7CB0E",
"versionEndExcluding": "1.5.4",
"versionStartIncluding": "1.5.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:f5:f5os-a:1.8.0:*:*:*:*:*:*:*",
"matchCriteriaId": "01B43BE0-F112-4580-A188-3FE0DD140D07",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:*",
"matchCriteriaId": "CF2910A9-DD68-4E44-8805-3392DA88A297",
"versionEndIncluding": "1.6.2",
"versionStartIncluding": "1.6.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:f5:f5os-c:*:*:*:*:*:*:*:*",
"matchCriteriaId": "EC50AAFB-DDD8-42B0-93DA-C8F6D9337EC8",
"versionEndExcluding": "1.8.2",
"versionStartIncluding": "1.8.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges.\u00a0 A successful exploit may allow the attacker to cross a security boundary.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
},
{
"lang": "es",
"value": "Una vulnerabilidad existe en los sistemas F5OS-A y F5OS-C que podr\u00eda permitir a un atacante autenticado con acceso local escalar sus privilegios. Un exploit exitoso podr\u00eda permitir al atacante cruzar un l\u00edmite de seguridad. Nota: Las versiones de software que han alcanzado el Fin del Soporte T\u00e9cnico (EoTS) no se eval\u00faan."
}
],
"id": "CVE-2025-61955",
"lastModified": "2026-10-18T21:10:00.120",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.0,
"impactScore": 6.0,
"source": "f5sirt@f5.com",
"type": "Secondary"
}
],
"cvssMetricV40": [
{
"cvssData": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"exploitMaturity": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"source": "f5sirt@f5.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-61955",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-16T03:56:23.454849Z",
"version": "2.0.3"
}
}
]
},
"published": "2025-10-15T14:15:56.987",
"references": [
{
"source": "f5sirt@f5.com",
"tags": [
"Vendor Advisory"
],
"url": "https://my.f5.com/manage/s/article/K000156771"
}
],
"sourceIdentifier": "f5sirt@f5.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-95"
}
],
"source": "f5sirt@f5.com",
"type": "Secondary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T08:26:37+00:00",
"cve": "CVE-2025-61955",
"id": "CVE-2025-61955",
"initial_release_date": "2025-10-15T14:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "F5OS vulnerability",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-61955.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2025-61955",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-10-16T03:56:23.454849Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-10-15T15:30:52.746Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "F5OS - Appliance",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.3",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.5.4",
"status": "affected",
"version": "1.5.0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "F5OS - Chassis",
"vendor": "F5",
"versions": [
{
"lessThan": "1.8.2",
"status": "affected",
"version": "1.8.0",
"versionType": "custom"
},
{
"lessThan": "1.6.4",
"status": "affected",
"version": "1.6.0",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "F5"
}
],
"datePublic": "2025-10-15T14:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eA vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges.\u0026nbsp; A successful exploit may allow the attacker to cross a security boundary.\u003c/span\u003e\u0026nbsp;\u003c/span\u003e\u003c/span\u003e\u0026nbsp;Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
}
],
"value": "A vulnerability exists in F5OS-A and F5OS-C systems that may allow an authenticated attacker with local access to escalate their privileges.\u00a0 A successful exploit may allow the attacker to cross a security boundary.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Appliance Mode"
}
]
},
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
},
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "Non-Appliance Mode"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-95",
"description": "CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-10-15T13:55:53.996Z",
"orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"shortName": "f5"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://my.f5.com/manage/s/article/K000156771"
}
],
"source": {
"discovery": "INTERNAL"
},
"tags": [
"x_F5"
],
"title": "F5OS vulnerability",
"x_generator": {
"engine": "F5 SIRTBot v1.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
"assignerShortName": "f5",
"cveId": "CVE-2025-61955",
"datePublished": "2025-10-15T13:55:53.996Z",
"dateReserved": "2025-10-03T23:04:43.579Z",
"dateUpdated": "2026-02-26T16:57:35.967Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
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.
Loading…
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.