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CVE-2009-0637

22
FAUCET Score

CVE-2009-0637 describes a critical vulnerability in Cisco IOS versions 12.2 through 12.4, specifically affecting the SCP server when Role-Based CLI Access is enabled. This flaw allows authenticated attackers with an attached CLI view to bypass configured access restrictions, enabling them to read or overwrite arbitrary files on the system via SCP commands. With a CVSS score of 7.1, this vulnerability is considered high severity due to its network-based attack vector, high impact on confidentiality, integrity, and availability, despite requiring authentication and having high access complexity. There is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
12.2CPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2:*:*:*:*:*:*:*
12.2bCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2b:*:*:*:*:*:*:*
12.2bcCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2bc:*:*:*:*:*:*:*
12.2bwCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2bw:*:*:*:*:*:*:*
12.2bxCPE matchmatch criteria
cpe:2.3:o:cisco:ios:12.2bx:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.1HIGH

AV:N/AC:H/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
SINGLE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.32%
Probability of exploitation in next 30 days
EPSS Percentile
87.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0332 is in the 84th percentile among its peer group of 1,162 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 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

Remediation records are not available for this CVE.

References

secunia.com / advisories/34438
Vendor Advisory
securitytracker.com / id
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/49423
Third Party AdvisoryVDB Entry
cisco.com / en/US/products/products_security_advisory09186a0080a90469.shtml
Vendor Advisory
cisco.com / en/US/products/products_security_advisory09186a0080a904c8.shtml
Vendor Advisory
securityfocus.com / bid/34247
Third Party AdvisoryVDB Entry
vupen.com / english/advisories/2009/0851
Not Applicable