CVE-2020-6558

MEDIUMNVD 6.56.5—

6.5

Insufficient policy enforcement in iOSWeb in Google Chrome on iOS prior to 85.0.4183.83 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 67.2%
KEV: Not listed

Published

September 21, 2020

Last Modified

November 21, 2024

References (12)

chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html
chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.html
chrome-cve-admin@googlehttps://crbug.com/1109120
chrome-cve-admin@googlehttps://www.debian.org/security/2021/dsa-4824
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00072.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00078.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00081.html
af854a3a-2127-422b-91ae-364da2661108https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop_25.html
af854a3a-2127-422b-91ae-364da2661108https://crbug.com/1109120
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2021/dsa-4824

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:10 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-23 07:29 UTCEG score recompute
2026-05-23 07:29 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2020-6558?

CVE-2020-6558 is a medium vulnerability published on September 21, 2020. Insufficient policy enforcement in iOSWeb in Google Chrome on iOS prior to 85.0.4183.83 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page.

When was CVE-2020-6558 disclosed?

CVE-2020-6558 was first published in the National Vulnerability Database on September 21, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2020-6558 actively exploited?

CVE-2020-6558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 67.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-6558?

CVE-2020-6558 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2020-6558?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-6558, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-6558

Explore →

Is Your Infrastructure Affected by CVE-2020-6558?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

Frequently asked(5)

What is CVE-2020-6558?

When was CVE-2020-6558 disclosed?

Is CVE-2020-6558 actively exploited?

What is the CVSS score of CVE-2020-6558?

CVE-2020-6558 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2020-6558?

CVE-2020-6558

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6558?

CVE-2020-6558

📅 Published

🔄 Last Modified

🔗 References (12)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6558?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (12)

Frequently asked(5)

Published

Last Modified

References (12)

Frequently asked(5)

Related CVEs(same CWE)