Siemens SIMATIC ITC1500 Firmware vulnerabilities

19 CVEs affecting Siemens SIMATIC ITC1500 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2017-18922, published 2020-06-30.

More from Siemens.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2017-5753, published 2018-01-04. Medium severity, CVSS 5.6. EPSS: 93.8% chance of exploitation in the next 30 days. Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
• CVE-2018-20019, published 2018-12-19. Critical severity, CVSS 9.8. EPSS: 9.5% chance of exploitation in the next 30 days. LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution
• CVE-2019-20839, published 2020-06-17. High severity, CVSS 7.5. EPSS: 3.6% chance of exploitation in the next 30 days. libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.
• CVE-2020-14397, published 2020-06-17. High severity, CVSS 7.5. EPSS: 3.4% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rfbregion.c has a NULL pointer dereference.
• CVE-2018-20750, published 2019-01-30. Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days. LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.
• CVE-2018-20748, published 2019-01-30. Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days. LibVNC before 0.9.12 contains multiple heap out-of-bounds write vulnerabilities in libvncclient/rfbproto.c. The fix for CVE-2018-20019 was incomplete.
• CVE-2018-20749, published 2019-01-30. Critical severity, CVSS 9.8. EPSS: 3.2% chance of exploitation in the next 30 days. LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.
• CVE-2019-15681, published 2019-10-29. High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days. LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information…
• CVE-2020-14398, published 2020-06-17. High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
• CVE-2019-20840, published 2020-06-17. High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

Latest

• CVE-2017-18922, published 2020-06-30. Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days. It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket…
• CVE-2020-14405, published 2020-06-17. Medium severity, CVSS 6.5. EPSS: 1.9% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
• CVE-2020-14404, published 2020-06-17. Medium severity, CVSS 5.4. EPSS: 1.6% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/rre.c allows out-of-bounds access via encodings.
• CVE-2020-14403, published 2020-06-17. Medium severity, CVSS 5.4. EPSS: 1.6% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/hextile.c allows out-of-bounds access via encodings.
• CVE-2020-14402, published 2020-06-17. Medium severity, CVSS 5.4. EPSS: 1.9% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/corre.c allows out-of-bounds access via encodings.
• CVE-2020-14401, published 2020-06-17. Medium severity, CVSS 6.5. EPSS: 2.5% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
• CVE-2020-14396, published 2020-06-17. High severity, CVSS 7.5. EPSS: 2.6% chance of exploitation in the next 30 days. An issue was discovered in LibVNCServer before 0.9.13. libvncclient/tls_openssl.c has a NULL pointer dereference.