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CVE-2017-14603

24
FAUCET Score

CVE-2017-14603 is a high-severity vulnerability affecting Asterisk 11.x, 13.x, 14.x, and Certified Asterisk 11.x and 13.x versions. It involves insufficient RTCP packet validation, which could lead to the exposure of stale buffer contents and, when specific options are enabled, allow an attacker to redirect RTCP reports. With a CVSS score of 7.5, this vulnerability is network-exploitable with low attack complexity, potentially leading to high confidentiality impact without requiring user interaction. There is currently 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
13.0.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:13.0.0:*:*:*:lts:*:*:*
13.0.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:13.0.0:beta1:*:*:*:*:*:*
13.0.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:13.0.0:beta2:*:*:*:*:*:*
13.0.0CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:13.0.0:beta3:*:*:*:*:*:*
13.0.1CPE matchmatch criteria
cpe:2.3:a:digium:asterisk:13.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.16%
Probability of exploitation in next 30 days
EPSS Percentile
86.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0316 is in the 76th percentile among its peer group of 51,553 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

downloads.asterisk.org / pub/security/AST-2017-008.html
Vendor Advisory
issues.asterisk.org / jira/browse/ASTERISK-27274
Issue TrackingThird Party Advisory
debian.org / security/2017/dsa-3990
Third Party Advisory