A flaw was discovered in fence-agents, prior to version 4.3.4, where using non-ASCII characters in a guest VM's comment or other fields would cause fence_rhevm to exit with an exception. In cluster environments, this could lead to preventing automated recovery or otherwise denying service to clusters of which that VM is a member.
Conclusion & alert: CVE-2019-10153 is rated Moderate Risk (49.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.17%). Core evidence: EPSS rose +1.83% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.34% | 2.17% | +1.83% |
| 2 | 2026-05-15 | 0.35% | 0.34% | -0.01% |
| 3 | 2026-03-13 | — | 0.35% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 3.1 | MEDIUM |
|
3.1 | 1.4 | [email protected] |
| 5.0 | 3.0 | MEDIUM |
|
3.1 | 1.4 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
low | CVE-2019-10153 low priority: Debian including 1 source packages (fence-agents), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2019-10153 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2019-10153 |
suse
|
medium | — | https://www.suse.com/security/cve/CVE-2019-10153/ |
ubuntu
|
medium | CVE-2019-10153 medium priority: Ubuntu including 1 source packages (fence-agents), 10 status rows across 10 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, trusty, upstream, xenial): not-affected 5, ignored 3, DNE 1, released 1. | https://ubuntu.com/security/CVE-2019-10153 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| clusterlabs | fence-agents | < 4.3.4 | cpe:2.3:a:clusterlabs:fence-agents:*:*:*:*:*:*:*:* |
| redhat | enterprise_linux | 8.0 | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_server | 7.0 | cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_workstation | 7.0 | cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2019:2037 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10153 | Issue Tracking Third Party Advisory |
| https://github.com/ClusterLabs/fence-agents/pull/255 | Patch Third Party Advisory |
| https://github.com/ClusterLabs/fence-agents/pull/272 | Patch Third Party Advisory |