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CVE-2017-5358

49
FAUCET Score

CVE-2017-5358 describes stack-based buffer overflows in php_Easycom5_3_0.dll, affecting EasyCom for PHP 4.0.0.29 and easycom-aura. This critical vulnerability (CVSS 9.8) allows unauthenticated remote attackers to execute arbitrary code by supplying a malicious server argument to i5_connect, i5_pconnect, or i5_private_connect API functions. While not actively exploited in the wild (no KEV entry), a Proof-of-Concept exploit is publicly available on ExploitDB, and the vulnerability has garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
4.0.0.29CPE matchmatch criteria
cpe:2.3:a:easycom-aura:easycom_for_php:4.0.0.29:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
12.15%
Probability of exploitation in next 30 days
EPSS Percentile
95.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-41425 · Feb 22, 2017
This CVE's current EPSS score of 0.1215 is in the 92nd percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

hyp3rlinx.altervista.org / advisories/EASYCOM-PHP-API-BUFFER-OVERFLOW.txt
ExploitThird Party Advisory
packetstormsecurity.com / files/141299/EasyCom-AS400-PHP-API-Buffer-Overflow.html
ExploitThird Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2017/Feb/60
Third Party AdvisoryVDB Entry
exploit-db.com / exploits/41425
ExploitThird Party AdvisoryVDB Entry
securityfocus.com / bid/96419
Third Party AdvisoryVDB Entry