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CVE-2009-0053

14
FAUCET Score

CVE-2009-0053 describes a logic error in PXE Encryption within several versions of Cisco IronPort Encryption Appliance and Cisco IronPort PostX. This vulnerability allows remote attackers to obtain the decryption key through unspecified vectors. With a CVSS score of 4.3 (AV:N/AC:M/Au:N/C:P/I:N/A:N), it is a medium-severity issue, indicating that an unauthenticated remote attacker could compromise confidentiality with moderate attack complexity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
6.2.4CPE matchmatch criteria
cpe:2.3:h:cisco:ironport_encryption_appliance:6.2.4:*:*:*:*:*:*:*
6.2.4.1CPE matchmatch criteria
cpe:2.3:h:cisco:ironport_encryption_appliance:6.2.4.1:*:*:*:*:*:*:*
6.2.5CPE matchmatch criteria
cpe:2.3:h:cisco:ironport_encryption_appliance:6.2.5:*:*:*:*:*:*:*
6.2.6CPE matchmatch criteria
cpe:2.3:h:cisco:ironport_encryption_appliance:6.2.6:*:*:*:*:*:*:*
6.2.7CPE matchmatch criteria
cpe:2.3:h:cisco:ironport_encryption_appliance:6.2.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.79%
Probability of exploitation in next 30 days
EPSS Percentile
52.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0079 is in the 11th percentile among its peer group of 19,958 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 / 51395
secunia.com / advisories/33479
securitytracker.com / id
cisco.com / en/US/products/products_security_advisory09186a0080a5c4f7.shtml
Vendor Advisory
securityfocus.com / bid/33268
vupen.com / english/advisories/2009/0140