Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-0593

19
FAUCET Score

CVE-2015-0593 describes a denial-of-service vulnerability in the Zone-Based Firewall implementation of Cisco IOS versions 12.4(122)T and earlier. Remote attackers can exploit this flaw by sending crafted network traffic, leading to a device reload. This vulnerability has a CVSS score of 7.1, indicating high severity due to its network-based attack vector, medium attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.4\(1.12\)tCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.4\(1.12\)t:*:*:*:*:*:*:*
15.4\(1.19\)tCPE matchmatch criteria
cpe:2.3:o:cisco:ios:15.4\(1.19\)t:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:M/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 30th percentile among its peer group of 8,918 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

exchange.xforce.ibmcloud.com / vulnerabilities/100757
tools.cisco.com / security/center/content/CiscoSecurityNotice/CVE-2015-0593
Vendor Advisory
tools.cisco.com / security/center/viewAlert.x
Vendor Advisory
securityfocus.com / bid/72549