Ncs 5508 vulnerabilitiesAnd the versions its exploited flaws hit.

Product3 known exploited0 versions
The short answer

Ncs 5508 is made by Cisco. We track 25 published vulnerabilities in it, across 0 versions. 3 of them are on the list of flaws known to be exploited, the newest added on 23 May 2022. If you run Ncs 5508, check your version against the exploited flaws below and patch those first.

Check your version

The most recent Ncs 5508 flaw added to the known-exploited list is CVE-2022-20821, on 23 May 2022. We keep watching the known-exploited list.

Versions

Which versions of Ncs 5508 do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published by the vendor. Find your version, then patch.

Known exploited

Which Ncs 5508 vulnerabilities are being exploited?

3 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 6.5
    CVE-2022-20821MediumKnown exploited
    Cisco IOS XR Open Port Vulnerability

    Cisco IOS XR software health check opens TCP port 6379 by default on activation.

    Chance of use11%Known exploited since23 May 2022
  2. 8.8
    CVE-2020-3118HighKnown exploited
    Cisco IOS XR Software Discovery Protocol Format String Vulnerability

    Cisco IOS XR improperly validates string input from certain fields in Cisco Discovery Protocol messages.

    Chance of use12%Known exploited since3 Nov 2021
  3. 8.6
    CVE-2020-3569HighKnown exploited
    Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

    Cisco IOS XR Distance Vector Multicast Routing Protocol (DVMRP) incorrectly handles Internet Group Management Protocol (IGMP) packets.

    Chance of use3.3%Known exploited since3 Nov 2021
Exploit likelihood

Which Ncs 5508 flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 12%
    CVE-2020-3118HighKnown exploited

    A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device.

    CVSS8.8Published5 Feb 2020
  2. 11%
    CVE-2022-20821MediumKnown exploited

    A vulnerability in the health check RPM of Cisco IOS XR Software could allow an unauthenticated, remote attacker to access the Redis instance that is running within the NOSi container.

    CVSS6.5Published26 May 2022
  3. 3.3%
    CVE-2020-3569HighKnown exploited

    Multiple vulnerabilities in the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to either immediately crash the Internet Group...

    CVSS8.6Published23 Sep 2020
  4. 1.6%

    A vulnerability in the Cisco Discovery Protocol implementation for Cisco FXOS Software, Cisco IOS XR Software, and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a reload of an...

    CVSS6.5Published5 Feb 2020
  5. 1.6%

    A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device.

    CVSS8.1Published9 Sep 2021
  6. 1.5%

    A vulnerability in the implementation of the Intermediate System–to–Intermediate System (IS–IS) routing protocol functionality in Cisco IOS XR Software could allow an authenticated, remote attacker...

    CVSS6.5Published26 Jan 2020
  7. 1.3%

    A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS)...

    CVSS7.5Published9 Sep 2021
  8. 1.3%

    Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service...

    CVSS8.6Published26 Jan 2020
  9. 1.3%

    A vulnerability in the implementation of the Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

    CVSS8.6Published26 Jan 2020
  10. 1.3%

    Multiple vulnerabilities in the implementation of Border Gateway Protocol (BGP) Ethernet VPN (EVPN) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service...

    CVSS8.6Published26 Jan 2020
Precursor Intelligence

Running Ncs 5508? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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FAQ

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We track 25 published vulnerabilities listed under the name Ncs 5508, across 0 versions. The most recent Ncs 5508 flaw added to the known-exploited list is CVE-2022-20821, on 23 May 2022.

3 are on the list of flaws known to be exploited. The most recently added are CVE-2022-20821, CVE-2020-3118 and CVE-2020-3569.

Create a Precursor Intelligence account and track Ncs 5508. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.