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CVE detail

CVE-2020-3569

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 Management Protocol (IGMP) process or make it consume available memory and eventually crash. The memory consumption may negatively impact other processes that are running on the device. These vulnerabilities are due to the incorrect handling of IGMP packets. An attacker could exploit these vulnerabilities by sending crafted IGMP traffic to an affected device. A successful exploit could allow the attacker to immediately crash the IGMP process or cause memory exhaustion, resulting in other processes becoming unstable. These processes may include, but are not limited to, interior and exterior routing protocols. Cisco will release software updates that address these vulnerabilities.

CVSS 8.6 · HighBuzz score 45.4KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 45.4

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 13.9 · diversity 6.5 · KEV 25.0 · OTX 0.0 · PoC 0.0
Mention score
13.9
3 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
25.0
Known exploited vulnerability present
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
3 source links · newest first
  • Cisco this week released patches for two high-severity vulnerabilities in IOS XR software that have been actively exploited in attacks for over a month.

    newswww.securityweek.comSep 30, 2020, 12:46 PM
  • Cisco has warned that hackers are targeting not one, but two unpatched vulnerabilities in the DVMRP feature of IOS XR software that runs on many carrier-grade routers.

    newswww.securityweek.comSep 1, 2020, 6:56 PM
  • A technical support intervention has revealed two zero-day vulnerabilities in the OS running on Cisco enterprise-grade routers that attackers are trying to actively exploit. Cisco plans to release software updates to plug these security holes, but in the meantime administrators are advised to implement one or all of the provided mitigations. About the vulnerabilities The two zero-day flaws – CVE-2020-3566 and CVE-2020-3569 – affect the Distance Vector Multicast Routing Protocol (DVMRP) feature of Cisco IOS … More →

    newswww.helpnetsecurity.comSep 1, 2020, 9:07 AM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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