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Security Advisory; NCSC-2026-0279 [1.0.0]
- Security Advisory
- NCSC-2026-0279 [1.0.0]
- Publicatie
- 07-08-2026 10:29 (Europe/Amsterdam)
- Prioriteit
- Normaal
- Betreft
- Kwetsbaarheden verholpen in Cisco IOS XE Software
Kenmerken
- Improper Input Validation
- Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
- Improper Restriction of Operations within the Bounds of a Memory Buffer
- Improper Access Control
- Improper Control of a Resource Through its Lifetime
- Incorrect Calculation
- Insufficient Control Flow Management
Omschrijving
Cisco heeft meerdere kwetsbaarheden verholpen in Cisco IOS XE Software.
De kwetsbaarheden zijn intern ontdekt tijdens een uitgebreide beveiligingsreview van Cisco IOS XE Software. De geïdentificeerde problemen betreffen onder andere onjuiste toegangscontrole, onjuiste restricties bij geheugenbufferoperaties, onjuiste resourcecontrole, onjuiste berekeningen, onvoldoende control flow management, onjuiste neutralisatie van speciale elementen en onjuiste inputvalidatie. De kwetsbaarheden kunnen door een aanvaller worden misbruikt via de genoemde zwakheden in toegang, geheugenbeheer, resourcebeheer, berekeningen, control flow, neutralisatie van speciale elementen en inputvalidatie. De kwetsbaarheden zijn specifiek voor Cisco IOS XE Software.
Oplossingen
Cisco heeft software updates uitgebracht voor Cisco IOS XE Software om deze intern ontdekte kwetsbaarheden te verhelpen. Zie bijgevoegde referenties voor meer informatie.
Referenties
CVE's
- CVE-2026-20267 - CVSS (v3) 9.0
- CVE-2026-20268 - CVSS (v3) 8.6
- CVE-2026-20269 - CVSS (v3) 8.6
- CVE-2026-20270 - CVSS (v3) 8.6
- CVE-2026-20271 - CVSS (v3) 8.6
- CVE-2026-20272 - CVSS (v3) 9.8
- CVE-2026-20273 - CVSS (v3) 8.6
Producten
Cisco
Disclaimer
The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this page to enhance access to its information and security advisories. The use of this security advisory is subject to the following terms and conditions: NCSC-NL makes every reasonable effort to ensure that the content of this page is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or continuous keeping up-to-date. The information contained in this security advisory is intended solely for the purpose of providing general information to professional users. No rights can be derived from the information provided therein. NCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of this security advisory. This includes damage resulting from the inaccuracy of incompleteness of the information contained in the advisory. This security advisory is subject to Dutch law. All disputes related to or arising from the use of this advisory will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings.