Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-5049

34
FAUCET Score

CVE-2012-5049 describes a denial-of-service vulnerability affecting APIFTP Server in Optimalog Optima PLC versions 1.5.2 and earlier. A remote unauthenticated attacker can exploit this flaw by sending a specially crafted, malformed packet, leading to an infinite loop and rendering the server unavailable. This vulnerability carries a high CVSS score of 7.8, indicating a critical impact on availability with low attack complexity. While there is no evidence of active exploitation in the wild or inclusion in CISA's KEV catalog, a public exploit (EDB-18112) exists, and despite its high FAUCET risk score, there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.5.2CPE matchmatch criteria
cpe:2.3:a:optimalog:optima_plc:*:*:*:*:*:*:*:*
1.4.9CPE matchmatch criteria
cpe:2.3:a:optimalog:optima_plc:1.4.9:*:*:*:*:*:*:*
1.4.10CPE matchmatch criteria
cpe:2.3:a:optimalog:optima_plc:1.4.10:*:*:*:*:*:*:*
1.5.0CPE matchmatch criteria
cpe:2.3:a:optimalog:optima_plc:1.5.0:*:*:*:*:*:*:*
1.5.1CPE matchmatch criteria
cpe:2.3:a:optimalog:optima_plc:1.5.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.43%
Probability of exploitation in next 30 days
EPSS Percentile
87.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-18112 · Nov 14, 2011
This CVE's current EPSS score of 0.0343 is in the 78th percentile among its peer group of 51,466 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

securityfocus.com / bid/55712
us-cert.gov / control_systems/pdf/ICSA-12-271-02.pdf
US Government Resource