CVE-2023-28882

Trustwave ModSecurity 3.0.5 through 3.0.8 before 3.0.9 allows a denial of service (worker crash and unresponsiveness) because some inputs cause a segfault in the Transaction class for some configurations.

Published: 2023-04-28 Last update: 2025-07-03 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-28882 is rated Low Risk (36.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-28882

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 2025-11-21 0.34% 0.06% -0.28%
2 2025-11-18 0.06% 0.34% +0.28%
3 2025-04-15 0.06%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-28882

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-28882

OS Trackers for CVE-2023-28882

vendor priority summary link
debian unimportant CVE-2023-28882 unimportant priority: Debian including 1 source packages (modsecurity), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-28882
redhat medium https://access.redhat.com/security/cve/CVE-2023-28882
suse medium CVE-2023-28882 severity moderate: SUSE including 14 source package names (apache2-mod_security2, libmodsecurity3-3.0.10-bp154.2.3.1, …), 54 product×package rows across 36 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 7, … (36 product lines)): Known Not Affected 31, Fixed 23. https://www.suse.com/security/cve/CVE-2023-28882/
ubuntu medium CVE-2023-28882 medium priority: Ubuntu including 1 source packages (modsecurity), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 7, needs-triage 5, DNE 1. https://ubuntu.com/security/CVE-2023-28882

Affected software / configurations for CVE-2023-28882

Vendor Product Version Raw CPE
owasp modsecurity >= 3.0.5, < 3.0.9 cpe:2.3:a:owasp:modsecurity:*:*:*:*:*:*:*:*

References for CVE-2023-28882

cvelogic Threat Intelligence