HOMEVULNERABILITIESCVE-2009-1977
CRITICALPOC

CVE-2009-1977

NVD-CWE-noinfoPublished: July 14, 2009· Updated: Jun 16, 2026

10.0
CVSS v3.1

Official Description

Unspecified vulnerability in the Oracle Secure Backup component in Oracle Secure Backup 10.2.0.3 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors. NOTE: the previous information was obtained from the July 2009 Oracle CPU. Oracle has not commented on claims from an independent researcher that this vulnerability allows attackers to bypass authentication via unknown vectors involving the username parameter and login.php.

NVD Source

Technical Analysis

CVE-2009-1977 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2009-1977. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected Vendors & Products

Oracle1 product(s)
secure backup
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

All References (16)

Quick Facts

CVE IDCVE-2009-1977
CVSS Score10.0 / 10
SeverityCRITICAL
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJul 14, 2009

Related CVEs (NVD-CWE-noinfo)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2009-1977 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.