CVE-2015-0593 json
The Zone-Based Firewall implementation in Cisco IOS 12.4(122)T and earlier does not properly manage session-object structures, which allows…
published 2015-02-13 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-0606
- cvss
- 7.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
The Zone-Based Firewall implementation in Cisco IOS 12.4(122)T and earlier does not properly manage session-object structures, which allows remote attackers to cause a denial of service (device reload) via crafted network traffic, aka Bug ID CSCul65003.
Exploit prediction
1.55% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.1 | AV:N/AC:M/Au:N/C:N/I:N/A:C |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
- Technology feeds
References
-
tools.cisco.com
/security/center/content/CiscoSecurityNotice/CVE-2015-0593
vendor-advisory
-
tools.cisco.com
/security/center/viewAlert.x?alertId=37417
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/100757
vdb-entry
-
securityfocus.com
/bid/72549
vdb-entry
Sources
- CVE List CVE-2015-0593
- NVD CVE-2015-0593
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.