Comparison Overview
CoStar Group

CoStar Group
1201 Wilson Blvd, Arlington, Virginia, US, 22209
Last Update: 03/09/2026
CoStar Group (NASDAQ: CSGP) is a global leader in commercial real estate information, analytics, online marketplaces, and 3D digital twin technology. Founded in 1986, CoStar Group is dedicated to digitizing the world’s real estate, empowering all people to discover prop...

Greystar
465 Meeting St, Suite 500, Charleston, South Carolina, US, 29403
Last Update: 02/04/2026
Founded in 1993, Greystar provides world-class service in the residential rental housing industry. Our innovative vertically integrated business model integrates the management, development and investment disciplines of the rental housing industry on international, regi...
Compliance Ranges Comparison

CoStar Group







Greystar






Benchmark & Cyber Underwriting Signals
Incidents vs Real Estate Industry Avg (This Year)
No incidents recorded for CoStar Group in 2026.
Incidents vs Real Estate Industry Avg (This Year)
No incidents recorded for Greystar in 2026.
Incident History - CoStar Group (X = Date, Y = Severity)
CoStar Group cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Greystar (X = Date, Y = Severity)
Greystar cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

CoStar Group

Greystar
FAQ
Latest Global CVEs
MOOS-IvP through 24.8.1 fails to properly validate variable names extracted from alog files in the SplitHandler, allowing attackers to write files outside the split directory. Attackers can supply crafted alog files with backslash sequences in variable names to escape the output directory and append to arbitrary files on Windows systems.
- https://github.com/moos-ivp/moos-ivp
- https://github.com/moos-ivp/moos-ivp/blob/1de9ae146cd63c209e8c3fd81611a4ed2472971b/ivp/src/lib_logutils/SplitHandler.cpp#L189
- https://github.com/moos-ivp/moos-ivp/commit/6f0619e905b325d6b88f76425673045c6e4f6f94
- https://github.com/moos-ivp/moos-ivp/pull/137
- https://www.vulncheck.com/advisories/moos-ivp-through-24.8.1-alog-splitting-path-traversal-on-windows
MOOS core-moos through 10.4.0 contains a buffer over-read vulnerability in CMOOSCommPkt where a four-byte packet triggers out-of-bounds memory access during deserialization. Attackers can open a TCP connection to the MOOSDB port and send a crafted short packet to read memory before authentication.
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Comms/MOOSCommPkt.cpp#L228
- https://github.com/themoos/core-moos/commit/d30c14585753f9ae39749d9628ed15c8383f0568
- https://github.com/themoos/core-moos/pull/75
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-out-of-bounds-read-via-short-packet
MOOS core-moos through 10.4.0 contains a buffer overflow vulnerability in CMOOSSerialPort::GetTelegram() that writes a NUL terminator one byte past the serial telegram stack buffer. Attackers controlling the serial line can send a full-length telegram to trigger the off-by-one write, corrupting the stack and potentially enabling code execution.
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/Utils/MOOSSerialPort.cpp#L595
- https://github.com/themoos/core-moos/commit/befb04df2039d0080715ea35f56268092db4ec0f
- https://github.com/themoos/core-moos/pull/73
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-off-by-one-buffer-overflow-in-serial-telegram-handling
MOOS core-moos through 10.4.0 fails to escape database contents when rendering MOOSDB HTTP pages, allowing attackers to inject malicious scripts. Any MOOS publisher can set variable values containing script payloads that execute in the browser of operators viewing the web interface.
- https://github.com/themoos/core-moos
- https://github.com/themoos/core-moos/blob/ec9c77c68fcbdef8f5e4c60fe243acd223433f0c/Core/libMOOS/DB/HTTPConnection.cpp#L460
- https://github.com/themoos/core-moos/commit/a3f26f099bb08decb143f704d8b1ca16ae405b44
- https://github.com/themoos/core-moos/pull/78
- https://www.vulncheck.com/advisories/moos-core-moos-through-10.4.0-moosdb-http-pages-stored-cross-site-scripting
MOOS ui-moos through 50b9c6c contains a buffer overflow vulnerability in ScopeTabPane.cpp and ScopeGrid.cpp where client and variable names are formatted into fixed 1024-byte buffers using sprintf without length validation. Attackers can supply arbitrarily long MOOS identifiers that overflow the buffers when an operator selects process list entries or pokes variables, enabling code execution.
- https://github.com/themoos/ui-moos
- https://github.com/themoos/ui-moos/blob/50b9c6c65169c501f746cfef1e167f74a7735e74/Tools/Graphical/uMS/ScopeTabPane.cpp#L243
- https://github.com/themoos/ui-moos/commit/a6ebc0bc6cb360315ce620e865f996d189cddb0e
- https://github.com/themoos/ui-moos/pull/5
- https://www.vulncheck.com/advisories/moos-ui-moos-through-50b9c6c-ums-buffer-overflow-via-long-moos-identifiers