CVE-2018-1232

RSA Authentication Agent version 8.0.1 and earlier for Web for both IIS and Apache Web Server are impacted by a stack-based buffer overflow which may occur when handling certain malicious web cookies that have invalid formats. The attacker could exploit this vulnerability to crash the authentication agent and cause a denial-of-service situation.

Published: 2018-03-30 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2018-1232 is rated Moderate Risk (60.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.82%). Core evidence: EPSS rose +1.19% 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.

Exploit prediction scoring system (EPSS) score for CVE-2018-1232

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 1.64% 2.82% +1.19%
2 2026-01-26 2.21% 1.64% -0.57%
3 2025-03-30 2.21%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-1232

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/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]
5.0 2.0 MEDIUM
AV:N/AC:L/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:L)
Exploitation conditions are straightforward and predictable.
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.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2018-1232

Affected software / configurations for CVE-2018-1232

Vendor Product Version Raw CPE
rsa authentication_agent_for_web <= 8.0.1 cpe:2.3:a:rsa:authentication_agent_for_web:*:*:*:*:*:apache_web_server:*:*
rsa authentication_agent_for_web <= 8.0.1 cpe:2.3:a:rsa:authentication_agent_for_web:*:*:*:*:*:iis:*:*

References for CVE-2018-1232

URL Tags
http://seclists.org/fulldisclosure/2018/Mar/60 Mailing List Third Party Advisory
http://www.securitytracker.com/id/1040577 Third Party Advisory VDB Entry
cvelogic Threat Intelligence