BDU:2025-04307 (CVE-2025-20177)
Vulnerability from fstec – Published: 2025-04-14 – Updated: 2025-04-14 – View on bdu.fstec.ru Fixed
VLAI
Title
Уязвимость операционных систем Cisco IOS XR, связанная с отсутствием контроля публичных прав на запись устанавливаемых файлов приложений, позволяющая нарушителю обойти существующие ограничения безопасности
Summary
Уязвимость операционных систем Cisco IOS XR связана с отсутствием контроля публичных прав на запись устанавливаемых файлов приложений. Эксплуатация уязвимости может позволить нарушителю обойти существующие ограничения безопасности
Severity
Class
Code vulnerability
Status
Confirmed by the vendor
Exploitation
Data structure manipulation
Incidents
Being clarified
Remediation
Software update
CWE
- CWE-274 - Неправильная обработка недостаточных привилегий
Aliases
References
Impacted products
1 product
from 2 vendors
Vendors
Cisco Systems, Inc.
Products
Cisco IOS XR
Versions
до 7.10 включительно (Cisco IOS XR), от 7.11 до 7.11.21 (Cisco IOS XR), от 24.2 до 24.2.2 (Cisco IOS XR), от 24.3 до 24.3.2 (Cisco IOS XR), от 24.4 до 24.4.1 (Cisco IOS XR)
Product types
Operating system
Platforms
Cisco Systems, Inc. Cisco IOS XR до 7.10 включительно 8000 Series Routers, Inc. Cisco IOS XR до 7.10 включительно NCS 540L, Inc. Cisco IOS XR до 7.10 включительно NCS 1010 Series Routers, Inc. Cisco IOS XR до 7.10 включительно NCS 1014 Series Routers, Inc. Cisco IOS XR до 7.10 включительно NCS 5700 Series Routers, Inc. Cisco IOS XR от 7.11 до 7.11.21 8000 Series Routers, Inc. Cisco IOS XR от 7.11 до 7.11.21 NCS 540L, Inc. Cisco IOS XR от 7.11 до 7.11.21 NCS 1010 Series Routers, Inc. Cisco IOS XR от 7.11 до 7.11.21 NCS 1014 Series Routers, Inc. Cisco IOS XR от 7.11 до 7.11.21 NCS 5700 Series Routers, Inc. Cisco IOS XR от 24.2 до 24.2.2 8000 Series Routers, Inc. Cisco IOS XR от 24.2 до 24.2.2 NCS 540L, Inc. Cisco IOS XR от 24.2 до 24.2.2 NCS 1010 Series Routers, Inc. Cisco IOS XR от 24.2 до 24.2.2 NCS 1014 Series Routers, Inc. Cisco IOS XR от 24.2 до 24.2.2 NCS 5700 Series Routers, Inc. Cisco IOS XR от 24.3 до 24.3.2 8000 Series Routers, Inc. Cisco IOS XR от 24.3 до 24.3.2 NCS 540L, Inc. Cisco IOS XR от 24.3 до 24.3.2 NCS 1010 Series Routers, Inc. Cisco IOS XR от 24.3 до 24.3.2 NCS 1014 Series Routers, Inc. Cisco IOS XR от 24.3 до 24.3.2 NCS 5700 Series Routers, Inc. Cisco IOS XR от 24.4 до 24.4.1 8000 Series Routers, Inc. Cisco IOS XR от 24.4 до 24.4.1 NCS 540L, Inc. Cisco IOS XR от 24.4 до 24.4.1 NCS 1010 Series Routers, Inc. Cisco IOS XR от 24.4 до 24.4.1 NCS 1014 Series Routers, Inc. Cisco IOS XR от 24.4 до 24.4.1 NCS 5700 Series Routers
Mitigations
{
"CVSS 2.0": "AV:L/AC:L/Au:S/C:C/I:C/A:C",
"CVSS 3.0": "AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"CVSS 4.0": null,
"remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
"remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
"\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Cisco Systems, Inc.",
"\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e (Cisco IOS XR), \u043e\u0442 7.11 \u0434\u043e 7.11.21 (Cisco IOS XR), \u043e\u0442 24.2 \u0434\u043e 24.2.2 (Cisco IOS XR), \u043e\u0442 24.3 \u0434\u043e 24.3.2 (Cisco IOS XR), \u043e\u0442 24.4 \u0434\u043e 24.4.1 (Cisco IOS XR)",
"\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439:\nhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
"\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "12.03.2025",
"\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "14.04.2025",
"\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "14.04.2025",
"\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2025-04307",
"\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2025-20177",
"\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
"\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
"\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "Cisco IOS XR",
"\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": "Cisco Systems, Inc. Cisco IOS XR \u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e 8000 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e NCS 540L, Cisco Systems, Inc. Cisco IOS XR \u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e NCS 1010 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e NCS 1014 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u0434\u043e 7.10 \u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e NCS 5700 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 7.11 \u0434\u043e 7.11.21 8000 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 7.11 \u0434\u043e 7.11.21 NCS 540L, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 7.11 \u0434\u043e 7.11.21 NCS 1010 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 7.11 \u0434\u043e 7.11.21 NCS 1014 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 7.11 \u0434\u043e 7.11.21 NCS 5700 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.2 \u0434\u043e 24.2.2 8000 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.2 \u0434\u043e 24.2.2 NCS 540L, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.2 \u0434\u043e 24.2.2 NCS 1010 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.2 \u0434\u043e 24.2.2 NCS 1014 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.2 \u0434\u043e 24.2.2 NCS 5700 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.3 \u0434\u043e 24.3.2 8000 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.3 \u0434\u043e 24.3.2 NCS 540L, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.3 \u0434\u043e 24.3.2 NCS 1010 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.3 \u0434\u043e 24.3.2 NCS 1014 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.3 \u0434\u043e 24.3.2 NCS 5700 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.4 \u0434\u043e 24.4.1 8000 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.4 \u0434\u043e 24.4.1 NCS 540L, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.4 \u0434\u043e 24.4.1 NCS 1010 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.4 \u0434\u043e 24.4.1 NCS 1014 Series Routers, Cisco Systems, Inc. Cisco IOS XR \u043e\u0442 24.4 \u0434\u043e 24.4.1 NCS 5700 Series Routers",
"\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Cisco IOS XR, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u0430\u044f \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u0430\u0432 \u043d\u0430 \u0437\u0430\u043f\u0438\u0441\u044c \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438",
"\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u041d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043d\u0435\u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u044b\u0445 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0439 (CWE-274)",
"\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c Cisco IOS XR \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435\u043c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044f \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u0430\u0432 \u043d\u0430 \u0437\u0430\u043f\u0438\u0441\u044c \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438",
"\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
"\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": null,
"\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430\u043d\u043d\u044b\u0435 \u0443\u0442\u043e\u0447\u043d\u044f\u044e\u0442\u0441\u044f",
"\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
"\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
"\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
"\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-xr-verii-bypass-HhPwQRvx",
"\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
"\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
"\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-274",
"\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,8)\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 6,7)"
}
Loading…
Loading…
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.
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.
Loading…