Integer overflow in Siemens 6gk5615-0aa00-2aa2
CVE-2021-41990
The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.067 (93.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.067 · newest: 0.067 · change: +0.001
Affected products
- Siemens 6gk5615-0aa00-2aa2
- Siemens 6gk5615-0aa00-2aa2 Firmware
- Siemens 6gk5804-0ap00-2aa2
- Siemens 6gk5804-0ap00-2aa2 Firmware
- Siemens 6gk5812-1aa00-2aa2
- Siemens 6gk5812-1aa00-2aa2 Firmware
- Siemens 6gk5812-1ba00-2aa2
- Siemens 6gk5812-1ba00-2aa2 Firmware
- Siemens 6gk5816-1aa00-2aa2
- Siemens 6gk5816-1aa00-2aa2 Firmware
Weakness classification (CWE)
References
- github.com/strongswan/strongswan/releases/tag/5.9.4 (Third Party Advisory, Release Notes)
- www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-(cve-2021-41990).ht…
- www.debian.org/security/2021/dsa-4989 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-539476.pdf (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-41990?
- CVE-2021-41990 is a high-severity vulnerability in Siemens 6gk5615-0aa00-2aa2, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2021-10-18.
- How severe is CVE-2021-41990?
- High severity. CVSS v3 base score is 7.5 out of 10.