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CVE-2007-4789

20
FAUCET Score

CVE-2007-4789 describes a denial-of-service vulnerability affecting Cisco Content Switching Modules (CSM) 4.2 prior to 4.2.7 and Cisco Content Switching Module with SSL (CSM-S) 2.1 prior to 2.1.6. When service termination is enabled, high network utilization can lead to a device reboot. This vulnerability has a CVSS score of 7.8 (High), indicating a critical impact with complete availability loss, and can be exploited remotely with low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.1CPE matchmatch criteria
cpe:2.3:h:cisco:content_switching_module_with_ssl:2.1:*:*:*:*:*:*:*
4.2CPE matchmatch criteria
cpe:2.3:h:cisco:content_switching_modules:4.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.98%
Probability of exploitation in next 30 days
EPSS Percentile
78.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0198 is in the 62nd percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 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

Remediation records are not available for this CVE.

References

osvdb.org / 37501
secunia.com / advisories/26724
PatchVendor Advisory
securitytracker.com / id
Patch
exchange.xforce.ibmcloud.com / vulnerabilities/36453
cisco.com / warp/public/707/cisco-sa-20070905-csm.shtml
Patch
securityfocus.com / bid/25547
Patch
vupen.com / english/advisories/2007/3062