CVE-2016-6670: huawei_firmware s12700
CVSS: 5.3v3.0MediumModified
Published 07-09-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-6670 is a medium (CVSS 5.3) vulnerability in huawei_firmware s12700. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities.
CVSS score
5.3/10
010
Medium · v3.0 (NVD)EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-09-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
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 20-09-2026
20-09-202620-10-2026
EPSS score0.83%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Huawei3 products
- s7700_firmwarev200r003c00 | v200r005c00
- s9300_firmwarev200r003c00 | v200r005c00
- s9700_firmwarev200r003c00 | v200r005c00
Huawei_firmware1 product
- s12700v200r005c00
2 vendors · 4 products
References
2 links- www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-certificate-enX Refsource CONFIRMMitigationVendor Advisory