What is CVE-2020-3120?

CVE-2020-3120 is a medium-severity vulnerability in Cisco Asr_9000v, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2020-02-05.

How severe is CVE-2020-3120?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2020-3120 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Integer overflow in Cisco Asr_9000v

CVE-2020-3120

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 affected device, resulting in…

Vulnerability class: Integer Overflow

EPSS: 0.020 (78.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

routetonull/opencheck

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
psirt@cisco.com (VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-3120?: CVE-2020-3120 is a medium-severity vulnerability in Cisco Asr_9000v, classified under Integer Overflow or Wraparound. CVSS score: 6.5/10. Published 2020-02-05.
How severe is CVE-2020-3120?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-3120 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.