CVE-2011-4542

Exp

Hastymail2 2.1.1 before RC2 allows remote attackers to execute arbitrary commands via the (1) rs or (2) rsargs[] parameter in a mailbox Drafts action to the default URI.

Published: 2011-11-30 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4542 is rated High Exploit Risk (79.1/100): CVSS High severity, with high exploitation likelihood (EPSS 73.36%, 99th percentile). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2011-4542

EDB-ID Source Kind Published Link
19758 exploit_db edb 2012-07-12 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2011-4542

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 2026-03-19 73.86% 73.36% -0.50%
2 2026-01-04 75.45% 73.86% -1.59%
3 2025-07-29 — 75.45% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4542

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-4542

Affected software / configurations for CVE-2011-4542

Vendor Product Version Raw CPE
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:beta1:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:beta2:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:beta3:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc1:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc2:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc3:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc4:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc5:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc6:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc7:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc8:*:*:*:*:*:*
hastymail hastymail2 — cpe:2.3:a:hastymail:hastymail2:*:rc9:*:*:*:*:*:*
hastymail hastymail2 <= 2.1.1 cpe:2.3:a:hastymail:hastymail2:*:rc1:*:*:*:*:*:*
hastymail hastymail2 1.0 cpe:2.3:a:hastymail:hastymail2:1.0:*:*:*:*:*:*:*
hastymail hastymail2 1.01 cpe:2.3:a:hastymail:hastymail2:1.01:*:*:*:*:*:*:*
hastymail hastymail2 1.1 cpe:2.3:a:hastymail:hastymail2:1.1:rc1:*:*:*:*:*:*
hastymail hastymail2 1.1 cpe:2.3:a:hastymail:hastymail2:1.1:rc2:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:*:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:a1:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:a2:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:b1:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:b2:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:b3:*:*:*:*:*:*
hastymail hastymail2 2.0 cpe:2.3:a:hastymail:hastymail2:2.0:rc1:*:*:*:*:*:*
hastymail hastymail2 2.0.1 cpe:2.3:a:hastymail:hastymail2:2.0.1:*:*:*:*:*:*:*
hastymail hastymail2 2.0.2 cpe:2.3:a:hastymail:hastymail2:2.0.2:*:*:*:*:*:*:*
hastymail hastymail2 2.0.3 cpe:2.3:a:hastymail:hastymail2:2.0.3:*:*:*:*:*:*:*
hastymail hastymail2 2.0.4 cpe:2.3:a:hastymail:hastymail2:2.0.4:*:*:*:*:*:*:*
hastymail hastymail2 2.0.5 cpe:2.3:a:hastymail:hastymail2:2.0.5:*:*:*:*:*:*:*

References for CVE-2011-4542

cvelogic Threat Intelligence