How severe is CVE-2009-1697?

CVE-2009-1697 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1697 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1697?

CVE-2009-1697 primarily affects Apple Safari. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1697?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-1697 published?

CVE-2009-1697 was published on 2009-06-10 and last updated on 2026-06-16.

CVE-2009-1697

CVE-2009-1697 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Safari
Published: 2009-06-10
Last modified: 2026-06-16

Description

CRLF injection vulnerability in WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 allows remote attackers to inject HTTP headers and bypass the Same Origin Policy via a crafted HTML document, related to cross-site scripting (XSS) attacks that depend on communication with arbitrary web sites on the same server through use of XMLHttpRequest without a Host header.

Frequently asked questions

What is CVE-2009-1697?: CRLF injection vulnerability in WebKit in Apple Safari before 4.0, iPhone OS 1.0 through 2.2.1, and iPhone OS for iPod touch 1.1 through 2.2.1 allows remote attackers to inject HTTP headers and bypass the Same Origin Policy via a crafted HTML document, related to cross-site scripting (XSS) attacks that depend on communication with arbitrary web sites on the same server through use of XMLHttpRequest without a Host header.
How severe is CVE-2009-1697?: CVE-2009-1697 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1697 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1697?: CVE-2009-1697 primarily affects Apple Safari. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1697?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1697 published?: CVE-2009-1697 was published on 2009-06-10 and last updated on 2026-06-16.

References

Affected products (34)

cpe:2.3:a:apple:safari:*:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:0.8:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:0.9:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.0:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.0.3:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.1:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.2:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.3:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.3.1:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:1.3.2:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:2.0:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:2.0.2:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:2.0.4:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.2:-:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.3:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.4:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.1:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.2:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.1:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.3:*:mac:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.2:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.3:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.0.4:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.1.2:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2:-:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.1:*:windows:*:*:*:*:*
cpe:2.3:a:apple:safari:3.2.2:*:windows:*:*:*:*:*

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