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nvd логотип

CVE-2021-1220

Опубликовано: 24 мар. 2021
Источник: nvd
CVSS3: 4.3
CVSS2: 3.5
EPSS Низкий

Описание

Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service (DoS) condition. These vulnerabilities are due to insufficient error handling in the web UI. An attacker could exploit these vulnerabilities by sending crafted HTTP packets to an affected device. A successful exploit could allow the attacker to cause the web UI software to become unresponsive and consume all available vty lines, preventing new session establishment and resulting in a DoS condition. Manual intervention would be required to regain web UI and vty session functionality. Note: These vulnerabilities do not affect the console connection.

Ссылки

Уязвимые конфигурации

Конфигурация 1

Одно из

cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.1.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.1.1s:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.1.1t:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.1.2:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:*
cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:*

EPSS

Процентиль: 42%
0.00205
Низкий

4.3 Medium

CVSS3

3.5 Low

CVSS2

Дефекты

CWE-20
NVD-CWE-noinfo

Связанные уязвимости

github логотип

GHSA-4m9r-j9f4-4m4g

CVSS3: 4.3
github
больше 3 лет назад

Multiple vulnerabilities in the web UI of Cisco IOS XE Software could allow an authenticated, remote attacker with read-only privileges to cause the web UI software to become unresponsive and consume vty line instances, resulting in a denial of service (DoS) condition. These vulnerabilities are due to insufficient error handling in the web UI. An attacker could exploit these vulnerabilities by sending crafted HTTP packets to an affected device. A successful exploit could allow the attacker to cause the web UI software to become unresponsive and consume all available vty lines, preventing new session establishment and resulting in a DoS condition. Manual intervention would be required to regain web UI and vty session functionality. Note: These vulnerabilities do not affect the console connection.

fstec логотип

BDU:2021-01817

CVSS3: 4.3
fstec
почти 5 лет назад

Уязвимость веб-интерфейса операционных систем Cisco IOS XE, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 42%
0.00205
Низкий

4.3 Medium

CVSS3

3.5 Low

CVSS2

Дефекты

CWE-20
NVD-CWE-noinfo