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CVE-2011-1337

18
FAUCET Score

CVE-2011-1337 describes a denial-of-service vulnerability in Opera versions prior to 11.50, where invalid URLs could trigger excessive disk consumption through the creation of numerous error pages. This vulnerability has a CVSS score of 4.3 (Medium), indicating it can be exploited remotely with medium attack complexity, resulting in partial availability impact. There is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. The CVE has garnered minimal community discussion and media coverage, suggesting a low profile.

Impacted Technologies

VendorProductVersion(s)CPE
<= 11.50CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:*:beta:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta2:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta3:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:a:opera:opera_browser:5.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 75th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

jvndb.jvn.jp / ja/contents/2011/JVNDB-2011-000049.html
jvn.jp / en/jp/JVN47757122/index.html
secunia.com / advisories/45060
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/68323
opera.com / docs/changelogs/mac/1150
opera.com / docs/changelogs/unix/1150
opera.com / docs/changelogs/windows/1150
opera.com / support/kb/view/996
osvdb.org / 73486
securityfocus.com / bid/48501