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CVE-2017-12308

17
FAUCET Score

CVE-2017-12308 describes an HTTP response splitting vulnerability in the web framework of Cisco Small Business 300 and 500 Series Managed Switches. This flaw, due to insufficient input validation, allows an unauthenticated, remote attacker to inject malicious code by convincing a user to click a malicious link or by intercepting requests. With a CVSS score of 6.1 (Medium), successful exploitation could lead to arbitrary script execution in the user's browser or access to sensitive browser-based information. There is no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.4.7.0, < 1.4.9.4CPE matchmatch criteria
cpe:2.3:o:cisco:sg350-10_firmware:*:*:*:*:*:*:*:*
>= 1.4.7.0, < 1.4.9.4CPE matchmatch criteria
cpe:2.3:o:cisco:sg350-10p_firmware:*:*:*:*:*:*:*:*
>= 1.4.7.0, < 1.4.9.4CPE matchmatch criteria
cpe:2.3:o:cisco:sg350-10mp_firmware:*:*:*:*:*:*:*:*
>= 1.4.7.0, < 1.4.9.4CPE matchmatch criteria
cpe:2.3:o:cisco:sg355-10p_firmware:*:*:*:*:*:*:*:*
>= 1.4.7.0, < 1.4.9.4CPE matchmatch criteria
cpe:2.3:o:cisco:sg350-28_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 63rd percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20180117-300-500-smb2
Vendor Advisory