CVE-2021-31352: juniper networks src series
Vulnerability summary
CVE-2021-31352 is a medium (CVSS 5.3) vulnerability in juniper networks src series. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 19-10-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
An Information Exposure vulnerability in Juniper Networks SRC Series devices configured for NETCONF over SSH permits the negotiation of weak ciphers, which could allow a remote attacker to obtain sensitive information. A remote attacker with read and write access to network data could exploit this vulnerability to display plaintext bits from a block of ciphertext and obtain sensitive information. This issue affects all Juniper Networks SRC Series versions prior to 4.13.0-R6.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.83%
Chance of exploitation in the next 30 days
Percentile
57%
Versus all other CVEs
30-day change
0.00 pp
From 0.83% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (kb.juniper.net)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-327Use of a Broken or Risky Cryptographic AlgorithmThe product uses a broken or risky cryptographic algorithm or protocol.
Affected systems
Juniper1 product
- session_and_resource_control< 4.130r6
Juniper networks1 product
- src series≥ unspecified, < 4.13.0-R6
2 vendors · 2 products