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Vulnerability of Cisco IOS, IOS XE: multiple vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Cisco IOS and IOS XE.
Vulnerable systems: Cisco Catalyst, IOS by Cisco, IOS XE Cisco, Cisco Router.
Severity of this threat: 3/4.
Number of vulnerabilities in this bulletin: 36.
Creation date: 24/03/2021.
Références of this weakness: CERTFR-2021-AVI-219, cisco-sa-alg-dos-hbBS7SZE, cisco-sa-arp-mtfhBfjE, cisco-sa-ewlc-capwap-dos-2OA3JgKS, cisco-sa-ewlc-xss-cAfMtCzv, cisco-sa-fast-Zqr6DD5, cisco-sa-iosxe-arbfile-FUxskKDE, cisco-sa-iosxe-buffover-CqdRWLc, cisco-sa-ios-xe-cat-verify-BQ5hrXgH, cisco-sa-iosxe-cswsh-FKk9AzT5, cisco-sa-iosxe-decnet-dos-cuPWDkyL, cisco-sa-ios-xe-evss-code-exe-8cw5VSvw, cisco-sa-ios-xe-iot-codexec-k46EFF6q, cisco-sa-ios-xe-os-cmd-inj-Ef6TV5e9, cisco-sa-ios-xe-pnp-priv-esc-AmG3kuVL, cisco-sa-iosxe-romvar-cmd-inj-N56fYbrw, cisco-sa-iosxe-sdwarbcmdexec-sspOMUr3, cisco-sa-iosxe-sdwdos-4zeEeC9w, cisco-sa-iosxe-sdwpathtrav-nsrue2Mt, cisco-sa-iosxe-webcmdinjsh-UFJxTgZD, cisco-sa-iox-cmdinj-RkSURGHG, cisco-sa-iox-dos-4Fgcjh6, cisco-sa-iox-pt-hWGcPf7g, cisco-sa-ncs520-tcp-ZpzzOxB, cisco-sa-sdwan-clipriv-9TO2QGVp, cisco-sa-sdwan-esc-rSNVvTf9, cisco-sa-XE-ACE-75K3bRWe, cisco-sa-XE-BLKH-Ouvrnf2s, cisco-sa-XE-FSM-Yj8qJbJc, cisco-sa-XE-OFP-6Nezgn7b, cisco-sa-XE-SAP-OPLbze68, cisco-sa-xesdwcinj-t68PPW7m, cisco-sa-xesdwpinj-V4weeqzU, cisco-sa-xe-webui-dos-z9yqYQAn, CVE-2021-1220, CVE-2021-1281, CVE-2021-1352, CVE-2021-1356, CVE-2021-1371, CVE-2021-1373, CVE-2021-1374, CVE-2021-1375, CVE-2021-1376, CVE-2021-1377, CVE-2021-1381, CVE-2021-1382, CVE-2021-1383, CVE-2021-1384, CVE-2021-1385, CVE-2021-1390, CVE-2021-1391, CVE-2021-1392, CVE-2021-1394, CVE-2021-1398, CVE-2021-1403, CVE-2021-1431, CVE-2021-1432, CVE-2021-1433, CVE-2021-1434, CVE-2021-1435, CVE-2021-1436, CVE-2021-1441, CVE-2021-1442, CVE-2021-1443, CVE-2021-1446, CVE-2021-1451, CVE-2021-1452, CVE-2021-1453, CVE-2021-1454, CVE-2021-1460, VIGILANCE-VUL-34940.

Description of the vulnerability 

An attacker can use several vulnerabilities of Cisco IOS and IOS XE....
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This vulnerability bulletin impacts software or systems such as Cisco Catalyst, IOS by Cisco, IOS XE Cisco, Cisco Router.

Our Vigil@nce team determined that the severity of this security note is important.

The trust level is of type confirmed by the editor, with an origin of internet client.

This bulletin is about 36 vulnerabilities.

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

Fixes for this vulnerability are not yet public.
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