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  <title>Most recent entries from all</title>
  <updated>2026-10-03T12:41:46.264528+00:00</updated>
  <author>
    <name>Vulnerability-Lookup</name>
    <email>csirt@opendfir.org</email>
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  <entry>
    <id>https://cve.radiocsirt.org/vuln/bdu:2021-05100</id>
    <title>bdu:2021-05100</title>
    <updated>2026-10-03T12:41:46.280821+00:00</updated>
    <content>bdu:2021-05100</content>
    <link href="https://cve.radiocsirt.org/vuln/bdu:2021-05100"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/certfr-2021-avi-728</id>
    <title>certfr-2021-avi-728 — De multiples vulnérabilités ont été découvertes dans les produits Cisco.
Certaines d'entre elles permettent à un attaqu…</title>
    <updated>2026-10-03T12:41:46.280866+00:00</updated>
    <content>certfr-2021-avi-728</content>
    <link href="https://cve.radiocsirt.org/vuln/certfr-2021-avi-728"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/cisco-sa-fxo-pattern-bypass-juxgygyv</id>
    <title>cisco-sa-fxo-pattern-bypass-jUXgygYv — Cisco IOS and IOS XE Software FXO Interface Destination Pattern Bypass Vulnerability</title>
    <updated>2026-10-03T12:41:46.280896+00:00</updated>
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        <p>A vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured destination patterns and dial arbitrary numbers.

This vulnerability is due to insufficient validation of dial strings at Foreign Exchange Office (FXO) interfaces. An attacker could exploit this vulnerability by sending a malformed dial string to an affected device via either the ISDN protocol or SIP. A successful exploit could allow the attacker to conduct toll fraud, resulting in unexpected financial impact to affected customers.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.



This advisory is part of the September 2021 release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: September 2021 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. ["https://sec.cloudapps.cisco.com/security/center/viewErp.x?alertId=ERP-74581"]</p>
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    </content>
    <link href="https://cve.radiocsirt.org/vuln/cisco-sa-fxo-pattern-bypass-juxgygyv"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/euvd-2026-168098</id>
    <title>EUVD-2026-168098</title>
    <updated>2026-10-03T12:41:46.280948+00:00</updated>
    <content>EUVD-2026-168098</content>
    <link href="https://cve.radiocsirt.org/vuln/euvd-2026-168098"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/fkie_cve-2021-34705</id>
    <title>fkie_cve-2021-34705</title>
    <updated>2026-10-03T12:41:46.280967+00:00</updated>
    <content type="xhtml">
      <div xmlns="http://www.w3.org/1999/xhtml">
        <p>A vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured destination patterns and dial arbitrary numbers. This vulnerability is due to insufficient validation of dial strings at Foreign Exchange Office (FXO) interfaces. An attacker could exploit this vulnerability by sending a malformed dial string to an affected device via either the ISDN protocol or SIP. A successful exploit could allow the attacker to conduct toll fraud, resulting in unexpected financial impact to affected customers.</p>
      </div>
    </content>
    <link href="https://cve.radiocsirt.org/vuln/fkie_cve-2021-34705"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/ghsa-xxj5-mhw2-jgp8</id>
    <title>GHSA-xxj5-mhw2-jgp8</title>
    <updated>2026-10-03T12:41:46.281004+00:00</updated>
    <content type="xhtml">
      <div xmlns="http://www.w3.org/1999/xhtml">
        <p>A vulnerability in the Voice Telephony Service Provider (VTSP) service of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured destination patterns and dial arbitrary numbers. This vulnerability is due to insufficient validation of dial strings at Foreign Exchange Office (FXO) interfaces. An attacker could exploit this vulnerability by sending a malformed dial string to an affected device via either the ISDN protocol or SIP. A successful exploit could allow the attacker to conduct toll fraud, resulting in unexpected financial impact to affected customers.</p>
      </div>
    </content>
    <link href="https://cve.radiocsirt.org/vuln/ghsa-xxj5-mhw2-jgp8"/>
  </entry>
  <entry>
    <id>https://cve.radiocsirt.org/vuln/gsd-2021-34705</id>
    <title>gsd-2021-34705</title>
    <updated>2026-10-03T12:41:46.281030+00:00</updated>
    <content>gsd-2021-34705</content>
    <link href="https://cve.radiocsirt.org/vuln/gsd-2021-34705"/>
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