WID-SEC-W-2026-3353
Vulnerability from csaf_certbund - Published: 2026-09-14 22:00 - Updated: 2026-09-14 22:00Summary
Cisco Secure Email Gateway: Mehrere Schwachstellen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Das Cisco Secure Email Gateway ist eine Sicherheitslösung zum Schutz der E-Mail Kommunikation.
Angriff: Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco Secure Email Gateway ausnutzen, um beliebigen Code auszuführen – einschließlich der Ausführung von Code mit Root-Rechten –, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder zu manipulieren oder Denial-of-Service-Zustände herbeizuführen.
Betroffene Betriebssysteme: - CISCO Appliance
Affected products
Known affected
2 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Cisco Secure Email Gateway <15.5.5-014
Cisco / Secure Email Gateway
|
<15.5.5-014 | ||
|
Cisco Secure Email Gateway <16.5.0-780
Cisco / Secure Email Gateway
|
<16.5.0-780 |
Affected products
Known affected
2 products, the same list as for
CVE-2026-20353
Affected products
Known affected
2 products, the same list as for
CVE-2026-20353
Affected products
Known affected
2 products, the same list as for
CVE-2026-20353
Affected products
Known affected
2 products, the same list as for
CVE-2026-20353
Affected products
Known affected
3 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Cisco Secure Email Gateway AsyncOS <16.0.4-302
Cisco / Secure Email Gateway
|
AsyncOS <16.0.4-302 | ||
|
Cisco Secure Email Gateway AsyncOS <15.5.5-014
Cisco / Secure Email Gateway
|
AsyncOS <15.5.5-014 | ||
|
Cisco Secure Email Gateway AsyncOS <16.5.0-780
Cisco / Secure Email Gateway
|
AsyncOS <16.5.0-780 |
References
5 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Das Cisco Secure Email Gateway ist eine Sicherheitsl\u00f6sung zum Schutz der E-Mail Kommunikation.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco Secure Email Gateway ausnutzen, um beliebigen Code auszuf\u00fchren \u2013 einschlie\u00dflich der Ausf\u00fchrung von Code mit Root-Rechten \u2013, Sicherheitsma\u00dfnahmen zu umgehen, Daten offenzulegen oder zu manipulieren oder Denial-of-Service-Zust\u00e4nde herbeizuf\u00fchren.",
"title": "Angriff"
},
{
"category": "general",
"text": "- CISCO Appliance",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2026-3353 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-3353.json"
},
{
"category": "self",
"summary": "WID-SEC-2026-3353 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3353"
},
{
"category": "external",
"summary": "Cisco Security Advisory cisco-sa-esa-inj-2bLVGmhX vom 2026-09-14",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX"
},
{
"category": "external",
"summary": "CISA KEV: CVE-2026-76461 Cisco Secure Email Gateway SQL Injection Vulnerability vom 2026-09-14",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog"
},
{
"category": "external",
"summary": "Cisco Security Advisory cisco-sa-hardening-esa-dfCrfXkm vom 2026-09-14",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-esa-dfCrfXkm"
}
],
"source_lang": "en-US",
"title": "Cisco Secure Email Gateway: Mehrere Schwachstellen",
"tracking": {
"current_release_date": "2026-09-14T22:00:00.000+00:00",
"generator": {
"date": "2026-09-15T11:11:33.357+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2026-3353",
"initial_release_date": "2026-09-14T22:00:00.000+00:00",
"revision_history": [
{
"date": "2026-09-14T22:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
}
],
"status": "final",
"version": "1"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"branches": [
{
"category": "product_version_range",
"name": "AsyncOS \u003c16.5.0-780",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS \u003c16.5.0-780",
"product_id": "T059489"
}
},
{
"category": "product_version",
"name": "AsyncOS 16.5.0-780",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS 16.5.0-780",
"product_id": "T059489-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:secure_email_gateway:asyncos__16.5.0-780"
}
}
},
{
"category": "product_version_range",
"name": "AsyncOS \u003c16.0.4-302",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS \u003c16.0.4-302",
"product_id": "T059490"
}
},
{
"category": "product_version",
"name": "AsyncOS 16.0.4-302",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS 16.0.4-302",
"product_id": "T059490-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:secure_email_gateway:asyncos__16.0.4-302"
}
}
},
{
"category": "product_version_range",
"name": "AsyncOS \u003c15.5.5-014",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS \u003c15.5.5-014",
"product_id": "T059491"
}
},
{
"category": "product_version",
"name": "AsyncOS 15.5.5-014",
"product": {
"name": "Cisco Secure Email Gateway AsyncOS 15.5.5-014",
"product_id": "T059491-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:secure_email_gateway:asyncos__15.5.5-014"
}
}
},
{
"category": "product_version_range",
"name": "\u003c15.5.5-014",
"product": {
"name": "Cisco Secure Email Gateway \u003c15.5.5-014",
"product_id": "T059492"
}
},
{
"category": "product_version",
"name": "15.5.5-014",
"product": {
"name": "Cisco Secure Email Gateway 15.5.5-014",
"product_id": "T059492-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:secure_email_gateway:15.5.5-014"
}
}
},
{
"category": "product_version_range",
"name": "\u003c16.5.0-780",
"product": {
"name": "Cisco Secure Email Gateway \u003c16.5.0-780",
"product_id": "T059493"
}
},
{
"category": "product_version",
"name": "16.5.0-780",
"product": {
"name": "Cisco Secure Email Gateway 16.5.0-780",
"product_id": "T059493-fixed",
"product_identification_helper": {
"cpe": "cpe:/h:cisco:secure_email_gateway:16.5.0-780"
}
}
}
],
"category": "product_name",
"name": "Secure Email Gateway"
}
],
"category": "vendor",
"name": "Cisco"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2026-20353",
"product_status": {
"known_affected": [
"T059492",
"T059493"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-20353"
},
{
"cve": "CVE-2026-76440",
"product_status": {
"known_affected": [
"T059492",
"T059493"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-76440"
},
{
"cve": "CVE-2026-76441",
"product_status": {
"known_affected": [
"T059492",
"T059493"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-76441"
},
{
"cve": "CVE-2026-76442",
"product_status": {
"known_affected": [
"T059492",
"T059493"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-76442"
},
{
"cve": "CVE-2026-76443",
"product_status": {
"known_affected": [
"T059492",
"T059493"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-76443"
},
{
"cve": "CVE-2026-76461",
"product_status": {
"known_affected": [
"T059490",
"T059491",
"T059489"
]
},
"release_date": "2026-09-14T22:00:00.000+00:00",
"title": "CVE-2026-76461"
}
]
}
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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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