How severe is CVE-2009-1202?

CVE-2009-1202 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1202 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1202?

CVE-2009-1202 primarily affects Cisco Adaptive Security Appliance. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1202?

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

When was CVE-2009-1202 published?

CVE-2009-1202 was published on 2009-06-25 and last updated on 2026-06-16.

CVE-2009-1202

CVE-2009-1202 is a medium-severity vulnerability in Cisco Adaptive Security Appliance 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Adaptive Security Appliance
Published: 2009-06-25
Last modified: 2026-06-16

Description

WebVPN on the Cisco Adaptive Security Appliances (ASA) device with software 8.0(4), 8.1.2, and 8.2.1 allows remote attackers to bypass certain protection mechanisms involving URL rewriting and HTML rewriting, and conduct cross-site scripting (XSS) attacks, by modifying the first hex-encoded character in a /+CSCO+ URI, aka Bug ID CSCsy80705.

Frequently asked questions

What is CVE-2009-1202?: WebVPN on the Cisco Adaptive Security Appliances (ASA) device with software 8.0(4), 8.1.2, and 8.2.1 allows remote attackers to bypass certain protection mechanisms involving URL rewriting and HTML rewriting, and conduct cross-site scripting (XSS) attacks, by modifying the first hex-encoded character in a /+CSCO+ URI, aka Bug ID CSCsy80705.
How severe is CVE-2009-1202?: CVE-2009-1202 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-1202 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1202?: CVE-2009-1202 primarily affects Cisco Adaptive Security Appliance. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-1202?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-1202 published?: CVE-2009-1202 was published on 2009-06-25 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:cisco:adaptive_security_appliance:8.0\(4\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance:8.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:adaptive_security_appliance:8.2.1:*:*:*:*:*:*:*
cpe:2.3:h:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*

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