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CVE-2002-0564

26
FAUCET Score

CVE-2002-0564 describes an authentication bypass vulnerability in the PL/SQL module 3.0.9.8.2 of Oracle 9i Application Server 1.0.2.x, allowing remote attackers to gain unauthorized access by manipulating URLs to reference DADs with existing valid credentials. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation, nor publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.2CPE matchmatch criteria
cpe:2.3:a:oracle:application_server:1.0.2:*:*:*:*:*:*:*
2.0.0.0CPE matchmatch criteria
cpe:2.3:a:oracle:application_server_web_cache:2.0.0.0:*:*:*:*:*:*:*
2.0.0.1CPE matchmatch criteria
cpe:2.3:a:oracle:application_server_web_cache:2.0.0.1:*:*:*:*:*:*:*
2.0.0.2CPE matchmatch criteria
cpe:2.3:a:oracle:application_server_web_cache:2.0.0.2:*:*:*:*:*:*:*
2.0.0.3CPE matchmatch criteria
cpe:2.3:a:oracle:application_server_web_cache:2.0.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.05%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0505 is in the 85th percentile among its peer group of 51,485 CVEs.

Social Chatter

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

marc.info
otn.oracle.com / deploy/security/pdf/ias_modplsql_alert.pdf
PatchVendor Advisory
cert.org / advisories/CA-2002-08.html
US Government Resource
kb.cert.org / vuls/id/193523
PatchThird Party AdvisoryUS Government Resource
nextgenss.com / papers/hpoas.pdf