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CVE-2007-0917

18
FAUCET Score

CVE-2007-0917 describes a vulnerability in Cisco IOS versions 12.4XE to 12.3T where the Intrusion Prevention System (IPS) feature can be bypassed by remote attackers. This bypass occurs when IPS signatures relying on regular expressions encounter fragmented packets, allowing malicious traffic to evade detection. With a CVSS score of 6.4, this vulnerability is of medium severity, indicating a network-based attack with low complexity that could lead to partial confidentiality and integrity compromise. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.3tCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.3t:*:*:*:*:*:*:*
12.3xqCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.3xq:*:*:*:*:*:*:*
12.3xrCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.3xr:*:*:*:*:*:*:*
12.3xsCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.3xs:*:*:*:*:*:*:*
12.3xwCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.3xw:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.88%
Probability of exploitation in next 30 days
EPSS Percentile
77.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0188 is in the 65th percentile among its peer group of 23,725 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 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

osvdb.org / 33052
secunia.com / advisories/24142
exchange.xforce.ibmcloud.com / vulnerabilities/32473
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5858
cisco.com / en/US/products/products_security_advisory09186a00807e0a5b.shtml
cisco.com / en/US/products/products_security_response09186a00807e0a5e.html
securityfocus.com / bid/22549
securitytracker.com / id
vupen.com / english/advisories/2007/0597