5.8

CVE-2020-3190: cisco cisco ios xr software Uncontrolled Resource Consumption

CVSS: 5.8v3.0MediumModified
Published 04-03-2020Last modified 15-11-2024
Open JSON

Vulnerability summary

CVE-2020-3190 is a medium (CVSS 5.8) Uncontrolled Resource Consumption vulnerability in cisco cisco ios xr software. EPSS estimates a 1.32% chance of exploitation in the next 30 days, higher than 70.3% of scored vulnerabilities.

Overall risk
23/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v3.0 (CVE.org)
EPSS score
1.32%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-03-2020
    PublishedVulnerability first disclosed.
  2. 15-11-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability in the IPsec packet processor of Cisco IOS XR Software could allow an unauthenticated remote attacker to cause a denial of service (DoS) condition for IPsec sessions to an affected device. The vulnerability is due to improper handling of packets by the IPsec packet processor. An attacker could exploit this vulnerability by sending malicious ICMP error messages to an affected device that get punted to the IPsec packet processor. A successful exploit could allow the attacker to deplete IPsec memory, resulting in all future IPsec packets to an affected device being dropped by the device. Manual intervention is required to recover from this situation.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

1.32%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.32%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cisco2 products

1 vendor · 2 products

References

1 links