CVE-2020-5686
Incorrect implementation of authentication algorithm issue in UNIVERGE SV9500 series from V1 to V7and SV8500 series from S6 to S8 allows an attacker to access the remote system maintenance feature and obtain the information by sending a specially…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Incorrect implementation of authentication algorithm issue in UNIVERGE SV9500 series from V1 to V7and SV8500 series from S6 to S8 allows an attacker to access the remote system maintenance feature and obtain the information by sending a specially crafted request to a specific URL.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.16% probability · 65th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- nec/univerge sv9500 firmware · nec/univerge sv8500 firmware
- Source
- vultures@jpcert.or.jp
References
- https://jvn.jp/en/jp/JVN38784555/index.htmlThird Party Advisory
- https://www.necplatforms.co.jp/en/press/security_adv.htmlVendor Advisory
- https://jvn.jp/en/jp/JVN38784555/index.htmlThird Party Advisory
- https://www.necplatforms.co.jp/en/press/security_adv.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.