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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2021-34713

A vulnerability in the Layer 2 punt code of Cisco IOS XR Software running on Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, adjacent attacker to cause the affected line card to reboot. This vulnerability is due to incorrect handling of specific Ethernet frames that cause a spin loop that can make the network processors unresponsive. An attacker could exploit this vulnerability by sending specific types of Ethernet frames on the segment where the affected line cards are attached. A successful exploit could allow the attacker to cause the affected line card to reboot.

CVSS 7.4 · HighBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

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 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
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
2 source links · newest first
  • Cisco released security patches for High-Severity flaws in IOS XR softwareSecurity Affairs

    Cisco fixed multiple high-severity flaws in the IOS XR software that can allow attackers to trigger a DoS condition, elevate privileges, overwrite/read arbitrary files. Cisco released security updates to address multiple high-severity vulnerabilities in the IOS XR software that can be exploited to conduct multiple malicious activities, such as rebooting devices and elevate privileges. The […]

    newssecurityaffairs.comSep 11, 2021, 6:56 PM
  • Cisco Patches High-Severity Security Flaws in IOS XRSecurityWeek

    Cisco this week released patches for multiple high-severity vulnerabilities in the IOS XR software and warned that attackers could exploit these bugs to reboot devices, elevate privileges, or overwrite and read arbitrary files.

    newswww.securityweek.comSep 10, 2021, 2:33 PM

Exploit code

Public exploit repository references

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

Related records

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