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CVE-2007-2421

20
FAUCET Score

CVE-2007-2421 describes a buffer overflow vulnerability in multiple versions of Hitachi Groupmax Mobile Option for Mobile-Phone, i-mode, and EZweb. This flaw allows remote attackers to execute arbitrary code through unspecified vectors. With a CVSS score of 7.5, it presents a high severity risk due to its low attack complexity and potential for partial compromise of confidentiality, integrity, and availability. Despite its age and high FAUCET risk score of 80/100, 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
<= 05-23CPE matchmatch criteria
cpe:2.3:a:hitachi:groupmax_mobile_option:*:*:*:*:*:*:*:*
<= 06-04CPE matchmatch criteria
cpe:2.3:a:hitachi:groupmax_mobile_option:*:*:*:*:*:*:*:*
<= 07-30CPE matchmatch criteria
cpe:2.3:a:hitachi:groupmax_mobile_option:*:*:*:*:*:*:*:*
05-11CPE matchmatch criteria
cpe:2.3:a:hitachi:groupmax_mobile_option:05-11:*:*:*:*:*:*:*
06-00CPE matchmatch criteria
cpe:2.3:a:hitachi:groupmax_mobile_option:06-00:*:*:*:*:*:*:*

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
4.26%
Probability of exploitation in next 30 days
EPSS Percentile
90.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0426 is in the 82nd percentile among its peer group of 51,553 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, 0.1 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

osvdb.org / 35437
secunia.com / advisories/25020
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/33953
hitachi-support.com / security_e/vuls_e/HS07-009_e/index-e.html
Vendor Advisory
securityfocus.com / bid/23690
vupen.com / english/advisories/2007/1562