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CVE-2013-6012

22
FAUCET Score

CVE-2013-6012 is a critical authentication bypass vulnerability affecting Juniper Junos 12.1X44 and 12.1X45 when the "no-validate" option is enabled. This flaw stems from improper handling of configuration validation errors during the boot-up sequence's commit phase, allowing remote attackers to bypass authentication. With a CVSS score of 8.5, it presents a high risk due to its network-based attack vector, medium complexity, and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
12.1x44CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
12.1x45CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x45:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

8.5HIGH

AV:N/AC:M/Au:S/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Exploitability Score
6.8
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.17%
Probability of exploitation in next 30 days
EPSS Percentile
80.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0217 is in the 76th percentile among its peer group of 1,162 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / InfoCenter/index
Vendor Advisory
securityfocus.com / bid/63389