7.1

CVE-2013-5549: cisco ios_xr

CVSS: 7.1v2.0HighModified
Published 25-10-2013Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2013-5549 is a high (CVSS 7.1) vulnerability in cisco ios_xr. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.3% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v2.0 (NVD)
EPSS score
1.66%
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. 25-10-2013
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Cisco IOS XR 3.8.1 through 4.2.0 does not properly process fragmented packets within the RP-A, RP-B, PRP, and DRP-B route-processor components, which allows remote attackers to cause a denial of service (transmission outage) via (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCuh30380.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

1.66%

Chance of exploitation in the next 30 days

Percentile

76%

Versus all other CVEs

30-day change

0.00 pp

From 1.66% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.66%

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

No weakness data has been published for this record.

Affected systems

Cisco1 product
  • ios_xr3.8.1 | 3.8.2 | 3.8.3 | 3.8.4 | 3.9.0 | 3.9.1 | 3.9.2 | 4.0.0 | 4.0.1 | 4.0.2 | 4.0.3 | 4.0.4 | 4.1 | 4.1.1 | 4.1.2 | 4.2.0

1 vendor · 1 product

References

1 links