CVE-2013-5527: cisco ios Improper Input Validation
CVSS: 5.7v2.0MediumModified
Published 10-10-2013Last modified 06-08-2024
Vulnerability summary
CVE-2013-5527 is a medium (CVSS 5.7) Improper Input Validation vulnerability in cisco ios. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.3% of scored vulnerabilities.
CVSS score
5.7/10
010
Medium · v2.0 (NVD)EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-10-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The OSPF functionality in Cisco IOS and IOS XE allows remote attackers to cause a denial of service (device reload) via crafted options in an LSA type 11 packet, aka Bug ID CSCui21030.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.7Preferred score · NVD (NIST)
AV:A/AC:M/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.78% on 21-09-2026
21-09-202621-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 2 products
References
4 links- tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-5527Vendor AdvisoryX Refsource CISCO