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CVE-2004-2486

23
FAUCET Score

CVE-2004-2486 describes a vulnerability in Dropbear SSH Server versions prior to 0.43, where the DSS verification code improperly frees uninitialized variables. This flaw could potentially allow remote attackers to gain unauthorized access to affected systems. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.43CPE matchmatch criteria
cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

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
3.03%
Probability of exploitation in next 30 days
EPSS Percentile
86.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0303 is in the 75th percentile among its peer group of 51,506 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

matt.ucc.asn.au / dropbear/CHANGES
Vendor Advisory
secunia.com / advisories/12153
Third Party Advisory
secunia.com / advisories/28935
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/16810
Third Party AdvisoryVDB Entry
exchange.xforce.ibmcloud.com / vulnerabilities/40490
Third Party AdvisoryVDB Entry
cisco.com / en/US/products/products_security_advisory09186a0080949c7a.shtml
Third Party Advisory
osvdb.org / 8137
Broken Link
securityfocus.com / bid/10803
Third Party AdvisoryVDB Entry
vupen.com / english/advisories/2008/0543
Third Party Advisory