CVE-2013-5571

Exp

HMailServer 5.3.x and prior: Memory Corruption which could cause DOS

Published: 2020-01-07 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2013-5571 is rated Exploit Available (58.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.89%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2013-5571

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-5571

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 0.33% 0.89% +0.55%
2 2025-03-30 0.40% 0.33% -0.06%
3 2025-03-29 0.40%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-5571

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.9 3.1 MEDIUM
CVSS:3.1/AV:N/AC:H/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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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.
2.2 3.6 [email protected]
2.6 2.0 LOW
AV:N/AC:H/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
4.9 2.9 [email protected]

Weakness enumeration for CVE-2013-5571

Affected software / configurations for CVE-2013-5571

Vendor Product Version Raw CPE
hmailserver hmailserver <= 5.3.4 cpe:2.3:a:hmailserver:hmailserver:*:*:*:*:*:*:*:*

References for CVE-2013-5571

URL Tags
http://www.securiteam.com/securitynews/5QP3O0UAKA.html Exploit Third Party Advisory
cvelogic Threat Intelligence