Buffer overflow in Att Xmill
CVE-2022-26507
A heap-based buffer overflow exists in XML Decompression DecodeTreeBlock in AT&T Labs Xmill 0.7. A crafted input file can lead to remote code execution. This is not the same as any of: CVE-2021-21810, CVE-2021-21811, CVE-2021-21812, CVE-2021-21815, CVE-2021-21825, CVE-2021-21826, CVE-2021-21828, CVE-2021-21829, or CVE-2021-21830. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.024 · change: +0.001
Affected products
- Att Xmill — versions 0.7
- Schneider-Electric Ecostruxure Control Expert — versions 15.1
- Schneider-Electric Ecostruxure Process Expert
- Schneider-Electric Remoteconnect
- Schneider-Electric Scadapack 470
- Schneider-Electric Scadapack 474
- Schneider-Electric Scadapack 570
- Schneider-Electric Scadapack 574
- Schneider-Electric Scadapack 575
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Claroty.com (Third Party Advisory, Not Applicable)
- download.schneider-electric.com/files (Third Party Advisory, Release Notes, Mitigation)
Frequently asked questions
- What is CVE-2022-26507?
- CVE-2022-26507 is a critical-severity vulnerability in Att Xmill, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-04-14.
- How severe is CVE-2022-26507?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-26507 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.