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CVE-2012-0942

25
FAUCET Score

CVE-2012-0942 describes a buffer overflow vulnerability in the rn5auth.dll component of RealNetworks Helix Server and Helix Mobile Server versions 14.x prior to 14.3.x. This flaw allows unauthenticated remote attackers to execute arbitrary code by supplying specially crafted authentication credentials. The vulnerability carries a CVSS score of 7.5, indicating high severity with network-based attacks, low attack complexity, and potential for partial impact to confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
14.0.0CPE matchmatch criteria
cpe:2.3:a:realnetworks:helix_server:14.0.0:*:*:*:*:*:*:*
14.0.1CPE matchmatch criteria
cpe:2.3:a:realnetworks:helix_server:14.0.1:*:*:*:*:*:*:*
14.2CPE matchmatch criteria
cpe:2.3:a:realnetworks:helix_server:14.2:*:*:*:*:*:*:*
14.2.0.212CPE matchmatch criteria
cpe:2.3:a:realnetworks:helix_server:14.2.0.212:*:*:*:*:*:*:*
14.0.0CPE matchmatch criteria
cpe:2.3:a:realnetworks:helix_mobile_server:14.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.17%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0417 is in the 82nd percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

helixproducts.real.com / docs/security/SecurityUpdate04022012HS.pdf
Vendor Advisory
securityfocus.com / bid/52929
securitytracker.com / id