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CVE-2017-12588

25
FAUCET Score

CVE-2017-12588 is a critical format string vulnerability affecting rsyslog versions prior to 8.28.0, specifically within its zmq3 input and output modules. This flaw allows attackers to interpret description fields as format strings, potentially leading to arbitrary code execution, information disclosure, or denial of service. With a CVSS score of 9.8, it is easily exploitable over the network without authentication, but there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.27.0CPE matchmatch criteria
cpe:2.3:a:rsyslog:rsyslog:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.83%
Probability of exploitation in next 30 days
EPSS Percentile
85.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0283 is in the 76th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2017-12588Moderate

rsyslog: multiple format string vulnerabilities in zmq3 modules

Aug 2, 2017

References

security.netapp.com / advisory/ntap-20241227-0009
github.com / rsyslog/rsyslog/blob/master/ChangeLog
Release NotesThird Party Advisory
github.com / rsyslog/rsyslog/commit/062d0c671a29f7c6f7dff4a2f1f35df375bbb30b
Third Party Advisory
github.com / rsyslog/rsyslog/pull/1565
PatchThird Party Advisory