CVE-2012-1870 json
The CBC mode in the TLS protocol, as used in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2…
published 2012-07-10 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1880
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.8%
- EPSS 9.8% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
The CBC mode in the TLS protocol, as used in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, Windows 7 Gold and SP1, and other products, allows remote web servers to obtain plaintext data by triggering multiple requests to a third-party HTTPS server and sniffing the network during the resulting HTTPS session, aka "TLS Protocol Vulnerability."
Exploit prediction
9.76% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
docs.microsoft.com
/en-us/security-updates/securitybulletins/2012/ms12-049
vendor-advisory
-
us-cert.gov
/cas/techalerts/TA12-192A.html
third-party-advisory, us-government-resource
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15644
vdb-entry, signature
Sources
- CVE List CVE-2012-1870
- NVD CVE-2012-1870
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.