CVE-2017-5223
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
6.5
Description
Local file disclosure in PHPMailer
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
PHPMailer < 5.2.21 - Local File Disclosure
Source code queued for fetch — refresh in a moment.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 5.2.14+dfsg-2.3 |
| sid | Fixed | 5.2.14+dfsg-2.3 |
| forky | Fixed | 5.2.14+dfsg-2.3 |
| bullseye | Fixed | 5.2.14+dfsg-2.3 |
| bookworm | Fixed | 5.2.14+dfsg-2.3 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | phpmailer/phpmailer | >=5.0.0,<5.2.22 | 5.2.22 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| phpmailer_project | phpmailer | {"endIncluding":"5.2.21"} | |
References
- http://kalilinux.co/2017/01/12/phpmailer-cve-2017-5223-local-information-disclosure-vulnerability-analysis/
- http://www.securityfocus.com/bid/95328
- https://github.com/PHPMailer/PHPMailer/blob/master/SECURITY.md
- https://www.exploit-db.com/exploits/43056/
- https://www.suse.com/security/cve/CVE-2017-5223.html
- https://security-tracker.debian.org/tracker/CVE-2017-5223
- https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-4x5h-cr29-fhp6
- https://nvd.nist.gov/vuln/detail/CVE-2017-5223
- https://github.com/FriendsOfPHP/security-advisories/blob/master/phpmailer/phpmailer/CVE-2017-5223.yaml
- https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.22
- https://www.exploit-db.com/exploits/43056
- http://kalilinux.co/2017/01/12/phpmailer-cve-2017-5223-local-information-disclosure-vulnerability-analysis
CWEs
CWE-200
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.