How severe is CVE-2017-5630?

CVE-2017-5630 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-5630 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-5630?

CVE-2017-5630 affects Php Pear. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-5630?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-5630 published?

CVE-2017-5630 was published on 2017-02-01 and last updated on 2026-06-17.

CVE-2017-5630

CVE-2017-5630 is a high-severity vulnerability in Php Pear with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-74.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Php Pear
Published: 2017-02-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-5630?: 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.
How severe is CVE-2017-5630?: CVE-2017-5630 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-5630 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5630?: CVE-2017-5630 affects Php Pear. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-5630?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-5630 published?: CVE-2017-5630 was published on 2017-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:php:pear:1.10.1:*:*:*:*:*:*:*

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