How severe is CVE-2013-1637?

CVE-2013-1637 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2013-1637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-1637?

CVE-2013-1637 primarily affects Opera Opera Browser. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-1637?

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

When was CVE-2013-1637 published?

CVE-2013-1637 was published on 2013-02-08 and last updated on 2026-06-16.

CVE-2013-1637

CVE-2013-1637 is a critical-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 9.3. 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-94.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Opera Opera Browser
Published: 2013-02-08
Last modified: 2026-06-16

Description

Opera before 12.13 allows remote attackers to execute arbitrary code via vectors involving DOM events.

Frequently asked questions

What is CVE-2013-1637?: Opera before 12.13 allows remote attackers to execute arbitrary code via vectors involving DOM events.
How severe is CVE-2013-1637?: CVE-2013-1637 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2013-1637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-1637?: CVE-2013-1637 primarily affects Opera Opera Browser. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-1637?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-1637 published?: CVE-2013-1637 was published on 2013-02-08 and last updated on 2026-06-16.

References

Affected products (8)

cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.00:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.00:beta:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.01:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.02:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.10:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.10:beta:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:12.11:*:*:*:*:*:*:*

More vulnerabilities in Opera Opera Browser

CVE-2013-3211 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe…
CVE-2012-4145 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS…
CVE-2012-3561 — Critical (CVSS 10.0): Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute…
CVE-2012-3559 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a…
CVE-2011-4684 — Critical (CVSS 10.0): Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack…
CVE-2011-4683 — Critical (CVSS 10.0): Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe…

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