01 Record
CVE-2013-5503
The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to
UnratedPUBLISHEDCNA: cisco
CNA base scoreUnratedNo CNA CVSS vector
02 Description
The UDP process in Cisco IOS XR 4.3.1 does not free packet memory upon detecting full packet queues, which allows remote attackers to cause a denial of service (memory consumption) via UDP packets to
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 70.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2013-10-02 22:00Z13 YR AGO
- Last updated
- 2024-09-17 02:26Z2 YR AGO
- Reserved
- 2013-08-22
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 49b398c84613d1f22399db450ce8852fcdf1ce1277a2e798979acdb7642b38c4
05 Affected products
VendorProductVersionsPlatforms
06 References
- tools.cisco.com20131002 Cisco IOS XR Software Memory Exhaustion Vulnerabilityhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131002-iosxr