Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-1507

18
FAUCET Score

CVE-2011-1507 describes a denial-of-service vulnerability in multiple versions of Asterisk Open Source and Business Edition. The flaw allows remote, unauthenticated attackers to exhaust file descriptors and disk space by initiating numerous TCP connections to specific interfaces. This issue carries a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.4.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.4.0:*:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.4.0:beta1:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.4.0:beta2:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.4.0:beta3:*:*:*:*:*:*
1.4.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:1.4.0:beta4:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.50%
Probability of exploitation in next 30 days
EPSS Percentile
83.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0250 is in the 75th percentile among its peer group of 23,701 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (1)

redhatpatch availablevia nvd_reference
View patch

References

downloads.digium.com / pub/security/AST-2011-005.html
Vendor Advisory
lists.fedoraproject.org / pipermail/package-announce/2011-April/058922.html
lists.fedoraproject.org / pipermail/package-announce/2011-May/059702.html
bugzilla.redhat.com / show_bug.cgi
Patch
secunia.com / advisories/44197
Vendor Advisory
secunia.com / advisories/44529
securitytracker.com / id
debian.org / security/2011/dsa-2225
vupen.com / english/advisories/2011/1086
Vendor Advisory
vupen.com / english/advisories/2011/1107
vupen.com / english/advisories/2011/1188