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CVE-2019-20329

25
FAUCET Score

CVE-2019-20329 describes a DNS rebinding vulnerability in OpenLambda 2019-09-10, specifically affecting the REST API on TCP port 5000. This vulnerability has a high CVSS score of 8.1, indicating a critical risk due to its network attack vector, low attack complexity, and high potential for confidentiality and integrity impact. Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2019-09-10CPE matchmatch criteria
cpe:2.3:a:openlambda_project:openlambda:2019-09-10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 47th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / open-lambda/open-lambda/blob/9f7f935195ca74700c60ebc1ecfdaefad40d144b/src/common/config.go
ExploitThird Party Advisory
github.com / open-lambda/open-lambda/blob/9f7f935195ca74700c60ebc1ecfdaefad40d144b/src/server/lambdaServer.go
ExploitThird Party Advisory
github.com / open-lambda/open-lambda/issues/92
Issue TrackingThird Party Advisory