High severity · published Jul 29, 2020
CVE-2019-20029
An exploitable privilege escalation vulnerability exists in the WebPro functionality of Aspire-derived NEC PBXes, including all versions of SV8100, SV9100, SL1100 and SL2100…
8.8
CVSS
1.6%
EPSS
No
On KEV
Description
An exploitable privilege escalation vulnerability exists in the WebPro functionality of Aspire-derived NEC PBXes, including all versions of SV8100, SV9100, SL1100 and SL2100 devices. A specially crafted HTTP POST can cause privilege escalation resulting in a higher privileged account, including an undocumented developer level of access.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SF
Sl1100 Firmware · Nec
All versions, or not specified · source: NVD
SF
Sl2100 Firmware · Nec
All versions, or not specified · source: NVD
SF
Sv8100 Firmware · Nec
All versions, or not specified · source: NVD
SF
Sv9100 Firmware · Nec
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20029
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20029
Third Party Advisory
https://shadytel.su/files/nec_cve.txt
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