PECL in the download utility class in the Installer in PEAR Base System v1.10.1 does not validate file types and filenames after a redirect, which allows remote HTTP servers to overwrite files via crafted responses, as demonstrated by a .htaccess overwrite.
CVE-2017-5630
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 54(Track)EG Risk 54/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation40% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 95.8%
- KEV
- Not listed
Published
February 1, 2017
Last Modified
May 13, 2026
References (6)
- cve@mitrehttp://pear.php.net/bugs/bug.php?id=21171
- cve@mitrehttp://www.securityfocus.com/bid/95882
- cve@mitrehttps://www.exploit-db.com/exploits/41185/
- af854a3a-2127-422b-91ae-364da2661108http://pear.php.net/bugs/bug.php?id=21171
- af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95882
- af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/41185/
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| composer | pear/pear | — | ghsa |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| pear/pear | — | — | — |
Data Freshness Timeline
(refreshed 13× in last 7d / 37× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:29 UTCEG score recompute
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- 2026-05-22 16:31 UTCEG score recompute
- 2026-05-22 16:31 UTCGHSA enrichment
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Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Exploit-DBEDB-41185First seen Jan 30, 2017
PHP PEAR 1.10.1 - Arbitrary File Download
Open source ↗
Frequently asked(5)
What is CVE-2017-5630?
When was CVE-2017-5630 disclosed?
Is CVE-2017-5630 actively exploited?
What is the CVSS score of CVE-2017-5630?
How do I remediate CVE-2017-5630?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-5630
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