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CVE-2009-0477

18
FAUCET Score

CVE-2009-0477 describes an unspecified privilege escalation vulnerability affecting Sun OpenSolaris versions snv_85 through snv_100, specifically within the process (proc) filesystem and related to the contract filesystem. This vulnerability carries a CVSS score of 7.2, indicating high severity, as it allows local users to gain full control (confidentiality, integrity, and availability) with low attack complexity. There is no known public exploit code (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, suggesting it is not actively exploited. Community discussion and media coverage are minimal, typical for the vast majority of CVEs.

Impacted Technologies

VendorProductVersion(s)CPE
snv_85CPE matchmatch criteria
cpe:2.3:o:sun:opensolaris:snv_85:*:sparc:*:*:*:*:*
snv_85CPE matchmatch criteria
cpe:2.3:o:sun:opensolaris:snv_85:*:x86:*:*:*:*:*
snv_86CPE matchmatch criteria
cpe:2.3:o:sun:opensolaris:snv_86:*:sparc:*:*:*:*:*
snv_86CPE matchmatch criteria
cpe:2.3:o:sun:opensolaris:snv_86:*:x86:*:*:*:*:*
snv_87CPE matchmatch criteria
cpe:2.3:o:sun:opensolaris:snv_87:*:sparc:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
32.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 42nd percentile among its peer group of 3,241 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 0.5 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

sunsolve.sun.com / search/document.do
Vendor Advisory
ioactive.com / pdfs/OpenSolarisUPtrDeref.pdf
Exploit
securityfocus.com / bid/33654
vupen.com / english/advisories/2009/0352