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CVE-2006-0738

23
FAUCET Score

CVE-2006-0738 describes multiple format string vulnerabilities in the eStara SIP softphone. Remote attackers can exploit these flaws by injecting format string specifiers into SIP INVITE requests' SDP session descriptions, specifically within the field name, 'o' field, or 'm' field. This vulnerability carries a CVSS score of 5.0, indicating a network-based attack with low complexity that can lead to a denial of service (application hang). While not actively exploited in the wild and not on the KEV catalog, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.0.1.47CPE matchmatch criteria
cpe:2.3:a:estara:softphone:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.12%
Probability of exploitation in next 30 days
EPSS Percentile
86.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-27210 · Feb 14, 2006
This CVE's current EPSS score of 0.0312 is in the 81st percentile among its peer group of 23,701 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 0.4 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

secunia.com / advisories/18872
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/24678
securityfocus.com / archive/1/424943/100/0/threaded
securityfocus.com / bid/16629
vupen.com / english/advisories/2006/0607